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List of Fish Occurrence Records for Guyana
n=1585

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Species Locality
No. Species Locality Year Identifier
1   Acanthocharax microlepis ROCKSTONE, ESSEQUIBO RIVER AT STELLING(PIER), RAILROAD CUT BELOW TOWN, IN SMALL WOODLAND CREEK ON GLUCK ISLAND, ON/AROUND SAND BANK AT BEND ABOVE TOWN 1908 C.H. EIGENMANN
2   Acanthostracion quadricornis Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
3   Acarichthys heckelii ESSEQUIBO RIVER, ABOVE ROCKSTONE   F.R. LAMONTE
4   Acarichthys heckelii ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
5   Acaronia nassa ARUBABO RIVER, TRIBUTARY OF KAKO-MAZARUNI 1939 M. STIASSNY,B. URBAIN,L.*
6   Acaronia nassa DEMERARA RIVER   M. STIASSNY,B. URBAIN,L.*
7   Acaronia nassa ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
8   Acaronia nassa LAMA STOP-OFF, LAMA CREEK, IN CANAL AND BELOW DAM 1908 C.H. EIGENMANN
9   Acestrorhynchus falcatus [occurrence summary]    
10   Acestrorhynchus falcatus BLACKWATER CREEK, ESSEQUIBO RIVER HEADWATERS 1938 A. FERNANDEZ Y.
11   Acestrorhynchus falcatus DEMERARA RIVER, WISMAR   F.R. LAMONTE
12   Acestrorhynchus falcatus DEMERARA RIVER, WISMAR   R.P. VARI
13   Acestrorhynchus falcatus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
14   Acestrorhynchus falcatus HEADWATERS OF ESSEQUIBO RIVER BETWEEN MARUDI RIVER AND KUYUWINI RIVER MOUTH 1937 M.H. HARNICK
15   Acestrorhynchus falcatus UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
16   Acestrorhynchus falcirostris Rockstone, Essequibo-River, Brit. Guayana   J. Gery rev. 1961
17   Acestrorhynchus microlepis ABANDONED FLOODED STONE QUARRY BEHIND GIDEON'S STORE, NORTH BANK MAZARUNI RIVER NEAR KARTABO, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
18   Acestrorhynchus microlepis CEBO CREEK, NORTH BANK MAZARUNI RIVER, FEW HUNDRED YARDS EAST OF ST. EDWARDS CHURCH, KARTABO 1982 R.E. SCHMIDT
19   Acestrorhynchus microlepis DEMERARA RIVER, GEORGETOWN   R.P. VARI
20   Acestrorhynchus microlepis DEMERARA RIVER, MALALI AT CATARACT 1908 C.H. EIGENMANN
21   Acestrorhynchus microlepis DEMERARA RIVER, WISMAR   R.P. VARI
22   Acestrorhynchus microlepis DEMERARA RIVER, WISMAR   R.P. VARI
23   Acestrorhynchus microlepis HEADWATERS OF ESSEQUIBO RIVER BETWEEN MARUDI RIVER AND KUYUWINI RIVER MOUTH 1937 R.P. VARI
24   Acestrorhynchus microlepis KARTABO 1922 C.W. BEEBE; R.P. VARI
25   Acestrorhynchus microlepis KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MARARUNI-POTARO DISTRICT   R.P. VARI
26   Acestrorhynchus microlepis NO FURTHER DATA   M. TOLEDO-PIZA
27   Acestrorhynchus microlepis ROCKSTONE, ESSEQUIBO RIVER AT STELLING(PIER), RAILROAD CUT BELOW TOWN, IN SMALL WOODLAND CREEK ON GLUCK ISLAND, ON/AROUND SAND BANK AT BEND ABOVE TOWN 1908 C.H. EIGENMANN
28   Acestrorhynchus microlepis Rockstone, Essequibo-River, Brit. Guayana   J. Gery rev. 1961
29   Acestrorhynchus microlepis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
30   Acestrorhynchus microlepis TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE BIG FALLS (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
31   Acestrorhynchus microlepis TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE CATARACT (UNOROWO RIVER) 1937 B.A. BROWN,R.A. ARRINDELL
32   Acestrorhynchus nasutus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
33   Acestrorhynchus nasutus ESSEQUIBO RIVER, ABOVE ROCKSTONE   F.R. LAMONTE
34   Acestrorhynchus nasutus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
35   Acestrorhynchus nasutus Rockstone, Essequibo-River, Brit. Guayana   J. Gery rev. 1961
36   Acestrorhynchus nasutus UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
37   Achirus achirus Demerava-River, Brit. Guayana   C.L. Hubbs det. 10.IX.1958
38   Achirus declivis [occurrence summary] 1969  
39   Achirus lineatus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
40   Achirus lineatus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
41   Achirus lineatus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
42   Aequidens paloemeuensis DEMERARA RIVER   M.L.J.STIASSNY,B.K.URBAIN
43   Aequidens paloemeuensis KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MAZARUNI - POTARO DISTRICT   M.L.J. STIASSNY, *
44   Aequidens paloemeuensis WISMAR 1934 M.L.J.STIASSNY,B.K.URBAIN
45   Aequidens potaroensis ARUBABO RIVER, TRIBUTARY OF KAKO-MAZARUNI 1939 F.R. LAMONTE, F. WOOD
46   Aequidens potaroensis DEMERARA RIVER, WISMAR 1930 M. STIASSNY,B. URBAIN,L.*
47   Aequidens potaroensis Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
48   Aequidens potaroensis KURUPUNG RIVER, GEORGETOWN   J.T. NICHOLS
49   Aequidens potaroensis MAZARUNI RIVER, KAMAKUSA   J.T. NICHOLS
50   Aequidens potaroensis ROCK QUARRY BEHIND GIDEON'S STORE, WEST BANK MAZARUNI RIVER, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
51   Aequidens potaroensis SAMBITO FALLS, AMACURO RIVER   F.R. LAMONTE
52   Aequidens potaroensis UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
53   Aequidens tetramerus ABANDONED QUARRY POOLS AND BARRACARA CREEK, EAST BANK MAZARUNI RIVER 1983 R.E. SCHMIDT
54   Aequidens tetramerus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
55   Aequidens tetramerus KAMARANG RIVER 1938 M.L.J. STIASSNY*
56   Aequidens tetramerus KARTABO 1924 M.L.J. STIASSNY, *
57   Aequidens tetramerus POOLS IN OLD ROCK QUARRY, EAST BANK MAZARUNI RIVER 1983 R.E. SCHMIDT
58   Aequidens tetramerus RUPUNUNI RIVER, WICHABAI (J. MELVILLE'S RANCH), 10 MILES NORTH OF DADANAWA 1938 M.L.J. STIASSNY*
59   Aequidens tetramerus WISMAR 1934 M.L.J.STIASSNY,B.K.URBAIN
60   Aetobatus narinari Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
61   Ageneiosus inermis Rupununi R., Guyana, 2°-3°N, 50°20'W.    
62   Ageneiosus marmoratus DEMERARA RIVER, WISMAR   F.R. LAMONTE
63   Ageneiosus marmoratus KARTABO, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1922 C.W. BEEBE; S.J. WALSH
64   Ageneiosus ucayalensis ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1983 S.J. WALSH
65   Ageneiosus ucayalensis ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1983 S.J. WALSH
66   Ageneiosus ucayalensis ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1983 S.J. WALSH
67   Ageneiosus ucayalensis DEMERARA RIVER, SAND HILLS 1936 S.J. WALSH
68   Ageneiosus ucayalensis MARI-MARI RIVER, MALALI   S.J. WALSH
69   Ageneiosus ucayalensis SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH, ESSEQUIBO DISTRICT 1982 S.J. WALSH
70   Agoniates halecinus ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
71   Agoniates halecinus ROCKSTONE    
72   Akawaio penak Mazaruni River, Kamarang, Zone 7 2008  
73   Albula vulpes Guyana Continental Shelf   D. Furnell
74   Albula vulpes Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
75   Alectis ciliaris GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
76   Amblydoras affinis KAMUNI CREEK 1937 F.R. LAMONTE
77   Ammocryptocharax vintonae SHRIMP CREEK, TUKEIT BELOW THE LANDING 1908 C.H. EIGENMANN
78   Anableps anableps NORTHWEST DISTRICT, MORAWHANNA, BARIMA RIVER 1937 F.R. LAMONTE
79   Anableps anableps POTARO RIVER, TUMATUMARI   J.T. NICHOLS
80   Anableps microlepis GEORGETOWN DEMERARA RIVER 1973  
81   Anablepsoides immaculatus UPPER RIVER KAMERANG, 20 MILES ABOVE PARUIMA 1938 J.H. HUBER
82   Anablepsoides stagnatus DEMERARA RIVER, WISMAR   F.R. LAMONTE
83   Anablepsoides urophthalmus KARTABO, NEAR THE CUYUNI RIVER 1922 P.G.HOWES; M.N.FEINBERG*
84   Anablepsoides waimacui UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
85   Anchoa spinifer DEMERARA RIVE DEMERARA RIVER 1973  
86   Anchovia surinamensis [occurrence summary]   G.J. NELSON
87   Anchovia surinamensis DEMERARA RIVER, WISMAR   G.J. NELSON
88   Anchovia surinamensis ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
89   Anchovia surinamensis KARTABO POINT, CONFLUENCE OF MAZARUNI AND CUYUNI RIVERS 1983 R.E. SCHMIDT; G. NELSON
90   Anchovia surinamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT; G. NELSON
91   Anchovia surinamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT; G. NELSON
92   Anchovia surinamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK 1983 R.E. SCHMIDT; G. NELSON
93   Anchovia surinamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT; G. NELSON
94   Anchovia surinamensis SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT; G.NELSON
95   Anchovia surinamensis WHYAPE CREEK, FIRST CREEK ON NORTH BANK CUYUNI RIVER, WEST OF MOUTH 1982 R.E. SCHMIDT; G. NELSON
96   Anchovia surinamensis WISMAR   G.J. NELSON
97   Anchoviella guianensis DEMERARA RIVER, WISMAR   G.J. NELSON
98   Anchoviella guianensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT; G. NELSON
99   Anchoviella guianensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT; G. NELSON
100   Anchoviella guianensis SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH 1982 R.E. SCHMIDT; G. NELSON
101   Anchoviella guianensis WHYAPE CREEK, FIRST CREEK ON NORTH BANK CUYUNI RIVER, WEST OF MOUTH 1982 R.E. SCHMIDT; G. NELSON
102   Anchoviella guianensis WISMAR   G.J. NELSON
103   Anchoviella manamensis KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 G. NELSON
104   Anchoviella manamensis KARTABO POINT, CONFLUENCE OF MAZARUNI AND CUYUNI RIVERS 1983 G. NELSON
105   Anchoviella manamensis MAZARUNI RIVER MOUTH, KARTABO POINT 1982 G. NELSON
106   Anchoviella manamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 G. NELSON
107   Anchoviella manamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 G. NELSON
108   Anchoviella manamensis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 G. NELSON
109   Anchoviella manamensis SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH 1982 G. NELSON
110   Anchoviella manamensis SOUTH SHORE CUYUNI RIVER, ABOUT 2 MILES FROM KARTABO POINT, ESSEQUIBO DISTRICT 1982 G. NELSON
111   Anchoviella manamensis WHYAPE CREEK, FIRST CREEK ON NORTH BANK CUYUNI RIVER, WEST OF MOUTH 1982 G. NELSON
112   Ancistrus dolichopterus LITTLE TAKUTU RIVER AND TRIBUTARIES, MAZARAHALLY TAKUTU LUMBER CAMP, WEST SHORE MAZARUNI RIVER 1983 R.E. SCHMIDT
113   Ancistrus hoplogenys RUPUNUNI RIVER, TWOCA PAN 1908 C.H. EIGENMANN
114   Ancistrus temminckii BLACKWATER CREEK, ESSEQUIBO RIVER HEADWATERS 1938 A. FERNANDEZ Y.
115   Ancylopsetta cycloidea [occurrence summary] 1969  
116   Ancylopsetta kumperae Guiana coast, 6°45'N, 55°17'W, 24 fm.    
117   Anisotremus virginicus Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
118   Anostomoides laticeps JUNCTION OF MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS, BARTICA 1935 B.A.BROWN,M. TOLEDO-PIZA
119   Anostomus anostomus BLACKWATER CREEK, ESSEQUIBO RIVER HEADWATERS 1938 A. FERNANDEZ Y.
120   Anostomus anostomus CUYUNI RIVER HALFWAY BETWEEN LANDING AND MOUTH IN ESSEQUIBO, NEAR NABIE WAN (RIVER) 1937 A. FERNANDEZ Y.
121   Anostomus anostomus DEMERARA RIVER    
122   Anostomus anostomus DEMERARA RIVER, MALALI 1935 M. BUERKLI, R. INGLE
123   Anostomus anostomus DEMERARA RIVER, WISMAR 1935  
124   Anostomus anostomus DEMERARA RIVER, WISMAR    
125   Anostomus anostomus DEMERARA RIVER, WISMAR 1935 A.S. PINKUS
126   Anostomus anostomus DEMERARA RIVER, WISMAR   A.S. PINKUS
127   Anostomus anostomus DEMERARA RIVER, WISMAR   A.S. PINKUS; M. BUERKLI*
128   Anostomus anostomus DEMERARA RIVER, WISMAR   R. INGLE
129   Anostomus anostomus ERUKIN CREEK 1908 C.H. EIGENMANN
130   Anostomus anostomus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
131   Anostomus anostomus HEADWATERS OF ESSEQUIBO RIVER, BETWEEN MARUDI RIVER AND KUYUWINI RIVER MOUTH, JUST ABOVE MOUTH 1937 A. FERNANDEZ Y.
132   Anostomus anostomus KURUPUNG RIVER, GEORGETOWN   J.T. NICHOLS
133   Anostomus anostomus MALALI   A.S. PINKUS
134   Anostomus anostomus TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE BIG FALLS (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
135   Anostomus anostomus TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE CATARACT (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
136   Anostomus anostomus WISMAR    
137   Antennarius striatus Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
138   Apareiodon agmatos Mazaruni River, sandy beach on right bank, downstream from village of Kamarang 2008  
139   Aphanius asquamatus MARI-MARI RIVER, MALALI    
140   Aphyocharax erythrurus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
141   Aphyocharax erythrurus ESSEQUIBO RIVER, ROCKSTONE   R.P. VARI
142   Aphyocharax erythrurus ROCKSTONE 1934 R.P. VARI
143   Aphyocharax erythrurus RUPUNUNI RIVER, SAVANNAH POND NEAR DADANAWA 1938 D. MARCY
144   Apionichthys dumerili BERBICE RIVER   F.R. LAMONTE
145   Apistogramma ortmanni ABANDONED FLOODED STONE QUARRY BEHIND GIDEON'S STORE, NORTH BANK MAZARUNI RIVER NEAR KARTABO, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
146   Apistogramma ortmanni DEMERARA RIVER, WISMAR 1935  
147   Apistogramma ortmanni DEMERARA RIVER, WISMAR   F.R. LAMONTE
148   Apistogramma ortmanni ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
149   Apistogramma ortmanni LITTLE TAKUTU RIVER AND TRIBUTARIES, MAZARAHALLY TAKUTU LUMBER CAMP, WEST SHORE MAZARUNI RIVER 1983 R.E. SCHMIDT
150   Apistogramma ortmanni POTARO RIVER, TUMATUMARI   J.T. NICHOLS
151   Apistogramma ortmanni UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
152   Apistogramma rupununi Rupununi R., Guyana, 2°-3°N, 50°20'W.    
153   Apistogramma steindachneri DEMERARA RIVER, WISMAR 1935  
154   Apistogramma steindachneri DEMERARA RIVER, WISMAR   F.R. LAMONTE
155   Apistogramma steindachneri ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
156   Apistogramma steindachneri Essequibo, bei Rockstone, Brit. Guayana   Koslowski det. II.1984
157   Apistogramma steindachneri LAMA STOP-OFF, LAMA CREEK, IN CANAL AND BELOW DAM 1908 C.H. EIGENMANN
158   Apistogramma steindachneri ROCK QUARRY BEHIND GIDEON'S STORE, WEST BANK MAZARUNI RIVER, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
159   Apteronotus albifrons Brit. Guayana 1962  
160   Apteronotus bonapartii MARI-MARI RIVER, MALALI   F.R. LAMONTE
161   Arapaima gigas Rupununi River, Karanambo    
162   Ariomma bondi Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
163   Ariomma regulus Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
164   Aspredinichthys tibicen BERBICE RIVER   F.R.LAMONTE; C.J.FERRARIS
165   Aspredinichthys tibicen GEORGETOWN, TRENCHES 1908 C.H. EIGENMANN
166   Astyanax abramis UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F. WOOD, F.R. LAMONTE
167   Astyanax bimaculatus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
168   Astyanax bimaculatus GEORGETOWN 1923 R. INCLE, M. BUERKLI
169   Astyanax bimaculatus GEORGETOWN, TRENCHES 1908 C.H. EIGENMANN
170   Astyanax bimaculatus JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   F.R. LAMONTE
171   Astyanax bimaculatus SANTA ROSA, AMACURO RIVER 1938 F.R. LAMONTE
172   Astyanax bimaculatus YARAKITA RIVER 1937 F.R. LAMONTE
173   Astyanax fasciatus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
174   Astyanax guianensis DEMERARA RIVER   R.P. VARI
175   Astyanax guianensis ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
176   Astyanax guianensis WISMAR   R.P. VARI
177   Astyanax guianensis YARAKITA RIVER 1937 F.R. LAMONTE
178   Astyanax microlepis GEORGETOWN   J.T. NICHOLS
179   Astyanax mutator MEMBARU CREEK, TRIBUTARY OF UPPER MAZARUNI RIVER 1938 F. WOOD, F.R. LAMONTE
180   Astyanax rupununi Rupununi R., Guyana, 2°-3°N, 50°20'W.    
181   Astyanax scintillans SAMBITO FALLS, AMACURA RIVER 1938  
182   Auchenipterus brevior DEMERARA RIVER, SAND HILLS 1936 F.R. LAMONTE
183   Auchenipterus demerarae DEMERARA RIVER   F.R. LAMONTE
184   Auchenipterus demerarae DEMERARA RIVER, MALALI 1935 C.J. FERRARIS
185   Auchenipterus demerarae DEMERARA RIVER, WISMAR   C.J. FERRARIS, R.P. VARI
186   Auxis thazard Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
187   Awaous flavus BARRACARA CREEK ON EAST BANK MAZARUNI RIVER MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT, R.E. WATSON
188   Awaous flavus BATAVIA LANDING-GUYANA SAWMILLS, SOUTH BANK CUYUNI RIVER 1982 R.E. SCHMIDT, R.E. WATSON
189   Awaous flavus KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 R.E. SCHMIDT, R.E. WATSON
190   Awaous flavus MAZARUNI RIVER MOUTH, KARTABO POINT 1982 R.E. SCHMIDT, R.E. WATSON
191   Awaous flavus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT, R.E. WATSON
192   Awaous flavus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT, R.E. WATSON
193   Awaous flavus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT, R.E. WATSON
194   Awaous flavus SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH 1982 R.E. SCHMIDT, R.E. WATSON
195   Awaous flavus SOUTH SHORE CUYUNI RIVER, ABOUT 2 MILES FROM KARTABO POINT, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT, R.E. WATSON
196   Bagre bagre GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
197   Bairdiella chrysoura ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
198   Bairdiella ronchus GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
199   Balistes vetula Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
200   Batrachoides surinamensis DEMERARA RIVER    
201   Batrachoides surinamensis DEMERARA RIVER   N. BORODIN
202   Batrochoglanis villosus ESSEQUIBO RIVER, ROCKSTONE 1936 F.R. LAMONTE
203   Batrochoglanis villosus POTARO RIVER, TUMATUMARI   J.T. NICHOLS
204   Biotodoma cupido CUYUNI RIVER AT MATOPE 1924 M.L.J. STIASSNY, *
205   Biotodoma cupido DEMERARA RIVER, MALALI    
206   Biotodoma cupido DEMERARA RIVER, MALALI   R. INGLE, M. BUERKLI
207   Biotodoma cupido DEMERARA RIVER, MALALI 1935 R. INGLE, M. BUERKLI
208   Biotodoma cupido DEMERARA RIVER, MARI-MARI 1934 R. INGLE, M. BUERKLI
209   Biotodoma cupido DEMERARA RIVER, WISMAR 1934 M.L.J.STIASSNY,B.K.URBAIN
210   Biotodoma cupido DEMERARA RIVER, WISMAR 1935 R. INGLE, M. BUERKLI
211   Biotodoma cupido DEMERARA RIVER, WISMAR   R. INGLE, M. BUERKLI
212   Biotodoma cupido DEMERARA RIVER, WISMAR   R. INGLE, M. BUERKLI
213   Biotodoma cupido DEMERARA RIVER, WISMAR 1930 R. INGLE, M. BUERKLI
214   Biotodoma cupido ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
215   Biotodoma cupido ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
216   Biotodoma cupido KARTABO, CONFLUENCE CUYUNI AND MAZARUNI RIVERS 1922 M.L.J. STIASSNY
217   Biotodoma cupido LAMA STOP-OFF, LAMA CREEK, IN CANAL AND BELOW DAM 1908 C.H. EIGENMANN
218   Biotodoma cupido MALALI   A.S. PINKUS
219   Biotodoma cupido MALALI   R. INGLE, M. BUERKLI
220   Biotodoma cupido MARI-MARI RIVER, MALALI   F.R. LAMONTE
221   Biotoecus opercularis ROCKSTONE   M.L.J. STIASSNY
222   Biotoecus opercularis ROCKSTONE   M.L.J. STIASSNY
223   Bivibranchia fowleri ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
224   Bivibranchia fowleri ESSEQUIBO RIVER, ROCKSTONE   R.P. VARI
225   Bivibranchia fowleri ROCKSTONE 1934 D.E. ROSEN, R.P. VARI
226   Bivibranchia fowleri ROCKSTONE   R.P. VARI
227   Bivibranchia fowleri TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE BIG FALLS (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
228   Bothus ocellatus [occurrence summary] 1969  
229   Bothus ocellatus Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
230   Bothus robinsi Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
231   Boulengerella cuvieri JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   R.P. VARI
232   Boulengerella cuvieri KARTABO 1922 C.W. BEEB; B.A. BROWN
233   Boulengerella cuvieri ROCKSTONE   J.W. ATZ, M.N. FEINBERG
234   Boulengerella cuvieri Rockstone, Essequibo-River, Brit. Guayana   J. Gery rev. 1961
235   Boulengerella cuvieri SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.P. VARI
236   Boulengerella cuvieri SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.P. VARI
237   Boulengerella lucius ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
238   Boulengerella lucius RUPUNUNI RIVER   R.P. VARI
239   Brachychalcinus orbicularis DEMERARA RIVER, MALALI TO GREAT FALLS 1934 R.P. VARI
240   Brachychalcinus orbicularis ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
241   Brachychalcinus orbicularis SANTA ROSA, AMACURO RIVER 1938  
242   Brachychalcinus orbicularis YARAKITA RIVER 1937 R.E. REIS
243   Brachyhypopomus brevirostris YARAKITA RIVER 1937 F.R. LAMONTE
244   Brachyplatystoma vaillantii ABOUT 100 m OFF KARTABO POINT, CONFLUENCE MAZARUNI AND CUYUNI RIVERS 1983 R.E. SCHMIDT
245   Brochiloricaria macrodon BERBICE RIVER   B.A. BROWN
246   Brochiloricaria macrodon DEMERARA RIVER, MALALI 1935 B.A. BROWN
247   Brochiloricaria macrodon DEMERARA RIVER, WISMAR   B.A. BROWN
248   Brochiloricaria macrodon KORA-KORA CREEK   B.A. BROWN
249   Brochiloricaria macrodon MALALI   B.A. BROWN
250   Brotula barbata Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
251   Brycon falcatus CEBO CREEK, WEST BANK MAZARUNI RIVER, EAST OF ST. EDWARDS CHURCH, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
252   Brycon falcatus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
253   Brycon falcatus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
254   Brycon falcatus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
255   Brycon falcatus ESSEQUIBO RIVER, ROCKSTONE   R. INGLE
256   Brycon falcatus JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   F.R. LAMONTE
257   Brycon falcatus JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   R.P. VARI
258   Brycon falcatus KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MARARUNI-POTARO DISTRICT   R.P. VARI
259   Brycon falcatus ROCKSTONE   A.S. PINKUS
260   Brycon falcatus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
261   Brycon falcatus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
262   Brycon falcatus SANTA ROSA, AMACURO RIVER 1938 F.R. LAMONTE
263   Brycon falcatus SANTA ROSA, AMACURO RIVER 1938 F.R. LAMONTE
264   Brycon opalinus CUYUNI RIVER AT MATOPE 1924 D.M. RODRIGUEZ
265   Brycon pesu 2 MILES FROM KARTABO, JUNGLE STREAM AND POOL, PURUNI TRAIL 1922 R.P. VARI
266   Brycon pesu ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
267   Brycon pesu ESSEQUIBO RIVER, ROCKSTONE   R.P. VARI
268   Brycon pesu FOREST STREAM EAST OF BATAVIA LANDING-GUYANA SAWMILLS, SOUTH BANK CUYUNI RIVER 1982 R.E. SCHMIDT
269   Brycon pesu JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   R.P. VARI
270   Brycon pesu KARTABO   R.P. VARI
271   Brycon pesu KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 R.E. SCHMIDT
272   Brycon pesu KARTABO POINT, CONFLUENCE OF MAZARUNI AND CUYUNI RIVERS 1983 R.E. SCHMIDT
273   Brycon pesu KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MARARUNI-POTARO DISTRICT   R.P. VARI
274   Brycon pesu MAZARUNI RIVER MOUTH, KARTABO POINT 1982 R.E. SCHMIDT
275   Brycon pesu ROCKSTONE   A.S. PINKUS
276   Brycon pesu SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
277   Brycon pesu SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
278   Brycon pesu SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH 1982 R.E. SCHMIDT
279   Brycon pesu SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
280   Brycon pesu WHYAPE CREEK, FIRST CREEK ON NORTH BANK CUYUNI RIVER, WEST OF MOUTH 1982 R.E. SCHMIDT
281   Brycon pesu WISMAR   R.P. VARI
282   Bryconamericus deuterodonoides Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
283   Bryconamericus peruanus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
284   Bryconamericus peruanus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
285   Bryconops affinis BARRACARA CREEK ON EAST BANK MAZARUNI RIVER MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
286   Bryconops affinis DEMERARA RIVER, MALALI 1935 M. BUERKLI, R. INGLE
287   Bryconops affinis Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
288   Bryconops affinis ESSEQUIBO RIVER, ROCKSTONE   R.P. VARI
289   Bryconops affinis KABURI ROCK, MAZARUNI RIVER   F.R. LAMONTE
290   Bryconops affinis KARTABO POINT, CONFLUENCE OF MAZARUNI AND CUYUNI RIVERS 1983 R.E. SCHMIDT
291   Bryconops affinis ROCKSTONE   R.P. VARI
292   Bryconops affinis ROCKSTONE   R.P. VARI
293   Bryconops affinis SAMBITO FALLS, AMACURO RIVER   F.R. LAMONTE
294   Bryconops affinis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
295   Bryconops affinis SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRY CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
296   Bryconops affinis UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
297   Bryconops affinis WISMAR   R.P. VARI
298   Bryconops caudomaculatus ARUAU RIVER, TRIBUTARY OF BARAMA NEAR ITS MOUTH IN THE WAINI 1937 F.R. LAMONTE
299   Bryconops caudomaculatus DEMERARA RIVER   R.P. VARI
300   Bryconops caudomaculatus DEMERARA RIVER, WISMAR   F.R. LAMONTE
301   Bryconops caudomaculatus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
302   Bryconops caudomaculatus ESSEQUIBO RIVER, ROCKSTONE 1938 F.R. LAMONTE
303   Bryconops caudomaculatus KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MAZARUNI - POTARO DISTRICT 1924 C.W. BEEBE; R.P. VARI
304   Bryconops caudomaculatus MAZARUNI RIVER, KAMAKUSA   J.T. NICHOLS
305   Bryconops caudomaculatus ROCKSTONE   R.P. VARI
306   Bryconops caudomaculatus ROCKSTONE, SMALL WOODLAND STREAM ON GLUCK ISLAND 1908 C.H. EIGENMANN
307   Bryconops caudomaculatus UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
308   Bryconops caudomaculatus WISMAR   R.P. VARI
309   Bryconops melanurus DEMERARA RIVER, MALALI TO GREAT FALLS 1934 R.P. VARI
310   Bryconops melanurus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
311   Bryconops melanurus GEORGETOWN   J.T. NICHOLS
312   Bryconops melanurus POTARO RIVER, ABOVE KAIETEUR FALLS 1911  
313   Bryconops melanurus UPPER MAZARUNI DISTRICT, MACKREBA FALLS, KURUPUNG RIVER 1939 R.P. VARI
314   Bryconops melanurus WISMAR   R.P. VARI
315   Bryconops melanurus WISMAR   R.P. VARI
316   Bryconops melanurus WISMAR 1934 R.P. VARI
317   Bujurquina vittata ABANDONED FLOODED STONE QUARRY BEHIND GIDEON'S STORE, NORTH BANK MAZARUNI RIVER NEAR KARTABO, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
318   Bujurquina vittata DEMERARA RIVER   F.R. LAMONTE
319   Bujurquina vittata Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
320   Bujurquina vittata LAMA STOP-OFF, LAMA CREEK, IN CANAL AND BELOW DAM 1908 C.H. EIGENMANN
321   Bujurquina vittata LAMA STOP-OFF, LAMA CREEK, IN CANAL AND BELOW DAM 1908 C.H. EIGENMANN
322   Bunocephalus chamaizelus UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
323   Bunocephalus verrucosus ESSEQUIBO RIVER, ABOVE ROCKSTONE    
324   Caenotropus labyrinthicus Rupununi R., Guyana, 2°-3°N, ?50°20'W.    
325   Caenotropus maculosus CEBO CREEK, NORTH BANK MAZARUNI RIVER, FEW HUNDRED YARDS EAST OF ST. EDWARDS CHURCH, KARTABO 1982 R.E. SCHMIDT
326   Caenotropus maculosus ESSEQUIBO RIVER, ROCKSTONE 1936 F.R. LAMONTE
327   Caenotropus maculosus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE; R.P. VARI
328   Caenotropus maculosus ESSEQUIBO RIVER, ROCKSTONE 1938 M. TOLEDO-PIZA
329   Caenotropus maculosus ESSEQUIBO RIVER, ROCKSTONE   R.P. VARI
330   Caenotropus maculosus HEADWATERS OF ESSEQUIBO RIVER, BETWEEN MARUDI RIVER AND KUYUWINI RIVER MOUTH, JUST ABOVE MOUTH 1937 M. TOLEDO-PIZA
331   Caenotropus maculosus MCTURK'S RANCH, KARANAMBO ON RUPUNUNI RIVER JUST BELOW YUPUKARRI, FROM SUNKEN BOAT 1937 M. TOLEDO-PIZA
332   Caenotropus maculosus POTARO RIVER, TUMATUMARI   J.T. NICHOLS; R.P. VARI
333   Caenotropus maculosus ROCKSTONE   M.H. HARNICK
334   Caenotropus maculosus SANTA ROSA, AMACURO RIVER 1938 F.R. LAMONTE; R.P. VARI
335   Caenotropus maculosus TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE BIG FALLS (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
336   Calamus pennatula Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
337   Callichthys callichthys CONTINGA CREEK 1924 C.W. BEEBE
338   Callichthys callichthys DEMERARA RIVER, WISMAR   F.R. LAMONTE
339   Callichthys callichthys DEMERARA RIVER, WISMAR 1935 R.E. REIS
340   Callichthys callichthys MARUDI MOUNTAINS, UPPER RUPUNUNI RIVER 1938 A. FERNANDEZ Y.
341   Callichthys callichthys MAZARUNI-POTARO DISTRICT, VICINITY OF KARTABO NEAR JUNCTION OF MAZARUNI AND CUYUNI RIVERS 1922 C.W. BEEBE
342   Callichthys callichthys POTARO RIVER, TUMATUMARI   J.T. NICHOLS
343   Callichthys callichthys POTARO RIVER, TUMATUMARI   J.T. NICHOLS
344   Caranx crysos Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
345   Caranx hippos GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
346   Carcharhinus limbatus GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
347   Carnegiella strigata Brit. Guayana    
348   Carnegiella strigata DEMERARA RIV DEMERARA RIVER 1973  
349   Carnegiella strigata DEMERARA RIVER    
350   Carnegiella strigata DEMERARA RIVER   R.P. VARI
351   Carnegiella strigata DEMERARA RIVER, MALALI 1935  
352   Carnegiella strigata DEMERARA RIVER, WISMAR   F.R. LAMONTE
353   Carnegiella strigata MADUNI STOP-OFF, MADUNI CREEK, IN CANAL AND BELOW THE DAM 1908 C.H. EIGENMANN
354   Carnegiella strigata ROCKSTONE 1933 A.S. PINKUS
355   Carnegiella strigata Rockstone, Essequibo-River, Brit. Guayana    
356   Caulolatilus cyanops Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
357   Caulolatilus intermedius Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
358   Centropomus parallelus GEORGETOWN DEMERARA RIVER 1973  
359   Centropomus undecimalis DEMERARA RIVER    
360   Centropomus undecimalis POTARO RIVER, TUMATUMARI   N. BORODIN
361   Chaetodipterus faber Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
362   Chaetodipterus faber Paramaribo, Brit.-Guayana 1910  
363   Chalceus macrolepidotus AKIMA ISLAND 1924 R.P. VARI
364   Chalceus macrolepidotus BARTICA 1935 A.S. PINKUS
365   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE    
366   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE 1937 F. WOOD, F.R. LAMONTE
367   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
368   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
369   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
370   Chalceus macrolepidotus ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
371   Chalceus macrolepidotus HEADWATERS OF ESSEQUIBO RIVER, BETWEEN MARUDI RIVER AND KUYUWINI RIVER MOUTH, JUST ABOVE MOUTH 1937 C.J. FERRARIS
372   Chalceus macrolepidotus JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   R.P. VARI
373   Chalceus macrolepidotus KARTABO, JUNCTION MAZARUNI AND CUYUNI RIVERS, MARARUNI-POTARO DISTRICT   R.P. VARI
374   Chalceus macrolepidotus SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
375   Chalceus macrolepidotus TUMATUMARI, SANDBARS ABOVE AND BELOW THE CATARACT, IN CATARACT,AND SMALL AFFLUENT TRIBUTARY BELOW CATARACT 1908 C.H. EIGENMANN
376   Characidium amaila Kuribrong River drainage, a tributary of the Potaro/Essequibo River system, confluence of the Amaila and Kuribrong rivers immediately above Amaila Falls (Rapids 1), Region 8 2011  
377   Characidium fasciatum Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
378   Characidium fasciatum LITTLE TAKUTU RIVER AND TRIBUTARIES, MAZARAHALLY TAKUTU LUMBER CAMP, WEST SHORE MAZARUNI RIVER 1983 R.E. SCHMIDT
379   Characidium steindachneri MEMBARU CREEK, TRIBUTARY OF UPPER MAZARUNI RIVER 1938 F. WOOD, F.R. LAMONTE
380   Characidium zebra Rupununi R., Guyana, 2°-3°N, 50°20'W.    
381   Charax gibbosus DEMERARA RIVER, MALALI TO GREAT FALLS 1934 R.P. VARI
382   Charax gibbosus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
383   Charax gibbosus Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
384   Charax gibbosus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
385   Charax gibbosus GEORGETOWN   J.T. NICHOLS
386   Charax gibbosus GEORGETOWN, TRENCHES 1908 C.H. EIGENMANN
387   Charax gibbosus Guiana    
388   Charax gibbosus POTARO RIVER, TUMATUMARI   J.T. NICHOLS
389   Charax hemigrammus ESSEQUIBO RIVER, ROCKSTONE   F.R. LAMONTE
390   Charax hemigrammus UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
391   Chilodus punctatus ABOVE ROCKSTONE   A.S. PINKUS
392   Chilodus punctatus DEMERARA RIVER   R.P. VARI
393   Chilodus punctatus MALALI   F.R. LAMONTE
394   Chilodus punctatus ROCKSTONE   M. TOLEDO-PIZA
395   Chilodus punctatus ROCKSTONE, ESSEQUIBO RIVER AT STELLING(PIER), RAILROAD CUT BELOW TOWN, IN SMALL WOODLAND CREEK ON GLUCK ISLAND, ON/AROUND SAND BANK AT BEND ABOVE TOWN 1908 C.H. EIGENMANN
396   Chilodus punctatus RUPUNUNI RIVER, SAVANNAH POND NEAR DADANAWA 1938 D. MARCY
397   Chilodus punctatus WISMAR   F.R. LAMONTE
398   Chilomycterus schoepfii Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
399   Chloroscombrus chrysurus DEMERARA RIVE DEMERARA RIVER 1973  
400   Chloroscombrus chrysurus Guyana, 40 - 70 miles offshore of the Guyanese coast, between the mouth of the Esquibo and Orinoco Rivers    
401   Cichla ocellaris DEMERARA RIVER   R. INGLE, M. BUERKLI
402   Cichla ocellaris DEMERARA RIVER, MALALI   R. INGLE, M. BUERKLI
403   Cichla ocellaris DEMERARA RIVER, MALALI   R. INGLE, M. BUERKLI
404   Cichla ocellaris DEMERARA RIVER, MALALI 1935 R. INGLE, M. BUERKLI
405   Cichla ocellaris ESSEQUIBO POND, ROCKSTONE 1937 F.R. LAMONTE
406   Cichla ocellaris ESSEQUIBO RIVER, ROCKSTONE    
407   Cichla ocellaris ESSEQUIBO RIVER, ROCKSTONE   R. INGLE, M. BUERKLI
408   Cichla ocellaris KARTABO 1924 C.W. BEEBE; M.N. FEINBERG
409   Cichla ocellaris KARTABO 1924 M.L.J. STIASSNY, *
410   Cichla ocellaris MARI-MARI RIVER, MALALI   F.R. LAMONTE
411   Cichla ocellaris ROCKSTONE AND LAMA STOP-OFF 1908 C.H. EIGENMANN
412   Cichlasoma bimaculatum DEMERARA RIV DEMERARA RIVER 1973  
413   Cichlasoma bimaculatum DEMERARA RIVER   J.T. NICHOLS
414   Cichlasoma bimaculatum DEMERARA RIVER   J.T. NICHOLS
415   Cichlasoma bimaculatum ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
416   Cichlasoma bimaculatum ESSEQUIBO RIVER, ROCKSTONE 1937 F.R. LAMONTE
417   Cichlasoma bimaculatum GEORGETOWN   R. INGLE, M. BUERKLI
418   Cichlasoma bimaculatum GEORGETOWN 1923 R. INGLE, M. BUERKLI
419   Cichlasoma bimaculatum GEORGETOWN, TRENCHES 1908 C.H. EIGENMANN
420   Cichlasoma bimaculatum SAMBITO FALLS, AMACURO RIVER   F.R. LAMONTE
421   Cichlasoma bimaculatum SANTA ROSA, AMACURO RIVER   F.R. LAMONTE
422   Cichlasoma bimaculatum YARAKITA RIVER 1937 F.R. LAMONTE
423   Cichlasoma bimaculatum YARAKITA RIVER 1937 F.R. LAMONTE
424   Citharichthys spilopterus [occurrence summary] 1969  
425   Citharichthys spilopterus KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 R.E. SCHMIDT
426   Cleithracara maronii DEMERARA RIVER, WISMAR   A.S. PINKUS
427   Cleithracara maronii DEMERARA RIVER, WISMAR   F.R. LAMONTE
428   Cleithracara maronii DEMERARA RIVER, WISMAR 1930 M. STIASSNY,B. URBAIN,L.*
429   Cleithracara maronii DEMERARA RIVER, WISMAR   M.L.J.STIASSNY,B.K.URBAIN
430   Colomesus asellus ABOVE ROCKSTONE   A.S. PINKUS; R.E. SCHMIDT
431   Colomesus asellus JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   F.R. LAMONTE
432   Colomesus asellus KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 R.E. SCHMIDT
433   Colomesus asellus MAZARUNI RIVER MOUTH, KARTABO POINT 1982 R.E. SCHMIDT
434   Colomesus asellus SANDBAR ON NORTH BANK CUYUNI RIVER, JUST WEST OF CAOWRIE CREEK MOUTH, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
435   Colomesus psittacus DEMERARA RIVER   M.H.HARNICK,D.M.RODRIGUEZ
436   Colomesus psittacus DEMERARA RIVER, MALALI TO GREAT FALLS 1934 R.A. ARRINDELL
437   Colomesus psittacus GEORGETOWN   J.C. TYLER
438   Colomesus psittacus NORTHWEST DISTRICT, MORAWHANNA, BARIMA RIVER 1937 F.R. LAMONTE
439   Conodon nobilis GUYANA OFF MOUTH ESQUIBO, NEW AMSTERDAM R    
440   Copella arnoldi ARUAU RIVER, TRIBUTARY OF BARAMA NEAR ITS MOUTH IN THE WAINI 1937 F.R. LAMONTE
441   Copella arnoldi DEMERARA RIVER, WISMAR   F.R. LAMONTE
442   Copella arnoldi ESSEQUIBO POND, ROCKSTONE 1937 F.R. LAMONTE
443   Copella arnoldi UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
444   Copella arnoldi YARAKITA RIVER 1937 F.R. LAMONTE
445   Copella arnoldi YARAKITA RIVER 1937 F.R. LAMONTE
446   Copella arnoldi YARAKITA RIVER 1937 F.R. LAMONTE
447   Copella compta ARUBABO RIVER, TRIBUTARY OF KAKO-MAZARUNI 1939 F. WOOD, F.R. LAMONTE
448   Corydoras blochi Moco Creek near Lehtem, 3°18'N, 59°46'W, trib. of Rio Tacutu, Rio Branco system, Essequibo, Guyana.    
449   Corydoras melanistius DEMERARA RIVER, MALALI 1935 H. NYSSEN
450   Corydoras melanistius DEMERARA RIVER, MARI MARI 1965  
451   Corydoras melanistius DEMERARA RIVER, WISMAR   H. NYSSEN
452   Corydoras melanistius MALALI    
453   Corydoras melanistius MARI-MARI RIVER, MALALI   F.R. LAMONTE
454   Corydoras melanistius ROCKSTONE, ESSEQUIBO RIVER AT STELLING(PIER), RAILROAD CUT BELOW TOWN, IN SMALL WOODLAND CREEK ON GLUCK ISLAND, ON/AROUND SAND BANK AT BEND ABOVE TOWN 1908 H. NYSSEN
455   Corydoras potaroensis Creek below Potaro Landing (5°20'N, 59°05'W), Potaro R., Essequibo, Guyana.    
456   Corydoras punctatus DEMERARA RIVER, WISMAR   F.R. LAMONTE
457   Corymbophanes andersoni Aruataima Falls, Upper Potaro R., Guyana, 5°00'05'N, 59°37'33"W.    
458   Corymbophanes kaiei Oung Creek, Chenapou River-Potaro River drainage), about 1 hour hike southwest of coordinates 04°58'26"N, 59°34'41"W, (mouth of Chenapou R.), Potaro-Siparuni region, Guyana.    
459   Creagrutus melanzonus LITTLE TAKUTU RIVER AND TRIBUTARIES, MAZARAHALLY TAKUTU LUMBER CAMP, WEST SHORE MAZARUNI RIVER 1983 R.E. SCHMIDT
460   Creagrutus melanzonus POTARO RIVER, TUMATUMARI   J.T. NICHOLS
461   Crenicichla alta ABANDONED FLOODED STONE QUARRY BEHIND GIDEON'S STORE, NORTH BANK MAZARUNI RIVER NEAR KARTABO, ESSEQUIBO DISTRICT 1982 R.E. SCHMIDT
462   Crenicichla alta Essequibo Basin, (Rio Amarilla, Rio Las Claritas, Rio Sophia, Rio Morrocoy), Guyana.   D. Nowosad
463   Crenicichla alta KARTABO 1920 C.W.BEEBE;BROWN,ARRINDELL
464   Crenicichla alta Rupununi R., Guyana, 2°-3°N, 50°20'W.    
465   Crenicichla alta SAMBITO FALLS, AMACURO RIVER   F.R. LAMONTE
466   Crenicichla alta UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1939 F. WOOD, F.R. LAMONTE
467   Crenicichla alta YARAKITA RIVER 1937 F.R. LAMONTE
468   Crenicichla brasiliensis JUNCTION MAZARUNI-CUYUNI AND ESSEQUIBO RIVERS BARTICA   F.R. LAMONTE
469   Crenicichla johanna MARI-MARI RIVER, MALALI   F.R. LAMONTE
470   Crenicichla johanna UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1938 F.R. LAMONTE
471   Crenicichla lugubris CEBO CREEK, NORTH BANK MAZARUNI RIVER, FEW HUNDRED YARDS EAST OF ST. EDWARDS CHURCH, KARTABO 1982 R.E. SCHMIDT
472   Crenicichla lugubris CEBO CREEK, WEST BANK MAZARUNI RIVER, EAST OF ST. EDWARDS CHURCH, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
473   Crenicichla lugubris DEMERARA RIVER, WISMAR   F.R. LAMONTE
474   Crenicichla lugubris KARTABO 1924 C.W.BEEBE;M.L.J.STIASSNY*
475   Crenicichla lugubris KARTABO POINT, BETWEEN CUYUNI RIVER MOUTH AND MAZARUNI RIVER MOUTH 1982 R.E. SCHMIDT
476   Crenicichla lugubris TRIBUTARY TO UPPER ESSEQUIBO RIVER, ONORA ABOVE BIG FALLS (UNOROWO RIVER) 1937 A. FERNANDEZ Y.
477   Crenicichla lugubris UPPER MAZARUNI DISTRICT, KURUPUNG RIVER 1939 F. WOOD, F.R. LAMONTE
478   Crenicichla saxatilis ARUAU RIVER, TRIBUTARY OF BARAMA NEAR ITS MOUTH IN THE WAINI 1937 F.R. LAMONTE
479   Crenicichla saxatilis DEMERARA RIVER   J.T. NICHOLS
480   Crenicichla saxatilis DEMERARA RIVER, MALALI   R. INGLE, M. BUERKLI
481   Crenicichla saxatilis DEMERARA RIVER, WISMAR 1935 D.E. ROSEN, et al.
482   Crenicichla saxatilis DEMERARA RIVER, WISMAR 1935 M. BUERKLI
483   Crenicichla saxatilis DEMERARA RIVER, WISMAR   M. BUERKLI, R. INGLE
484   Crenicichla saxatilis GEORGETOWN   C.H. EIGENMANN
485   Crenicichla saxatilis GEORGETOWN    
486   Crenicichla saxatilis GEORGETOWN    
487   Crenicichla saxatilis MARI-MARI RIVER, MALALI   F.R. LAMONTE
488   Crenicichla saxatilis POTARO RIVER, TUMATUMARI   J.T. NICHOLS
489   Crenicichla saxatilis POTARO RIVER, TUMATUMARI   J.T. NICHOLS
490   Crenicichla saxatilis POTARO RIVER, TUWATUWA    
491   Crenicichla saxatilis SANTA ROSA, AMACURO RIVER 1938 F.R. LAMONTE
492   Crenicichla saxatilis YARAKITA RIVER 1937 F.R. LAMONTE
493   Crenicichla wallacii CEBO CREEK, WEST BANK MAZARUNI RIVER, EAST OF ST. EDWARDS CHURCH, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
494   Crenicichla wallacii DEMERARA RIVER, MALALI TO GREAT FALLS 1934 R. INGLE, M. BUERKLI
495   Crenicichla wallacii MARI-MARI RIVER, MALALI   F.R. LAMONTE
496   Crenicichla wallacii MAZARUNI-POTARO DISTRICT, VICINITY OF KARTABO NEAR JUNCTION OF MAZARUNI AND CUYUNI RIVERS 1924 C.W. BEEBE
497   Crenicichla wallacii ROCK QUARRY BEHIND GIDEON'S STORE, WEST BANK MAZARUNI RIVER, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
498   Crenicichla wallacii ROCKSTONE, ESSEQUIBO RIVER AT STELLING(PIER), RAILROAD CUT BELOW TOWN, IN SMALL WOODLAND CREEK ON GLUCK ISLAND, ON/AROUND SAND BANK AT BEND ABOVE TOWN 1908 C.H. EIGENMANN
499   Crenicichla wallacii SANDBAR NORTH BANK CUYUNI RIVER, JUST UPSTREAM OF CAOWRIE CREEK, MAZARUNI-POTARO DISTRICT 1983 R.E. SCHMIDT
500   Crenuchus spilurus Brit. Guayana 1965 J. Gery rev. 1961
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