Morphology Data of Cocotropus dermacanthus
Identification keys
Abnormalities
Main Ref. Poss, S.G., 1999
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Upper jaw relatively long, 12-14% SL; stubby fleshy cirrus near distal end of maxilla absent; first dorsal fin relatively short, 20-21% SL; 2nd dorsal spine 19-20% SL (Ref. 39602).

Description: Characterized by having yellowish tan to variable shades of mottled brown color; third dorsal spine tallest; origin of dorsal fin above anterior margin of eye; two small spines in lacrimal; five spines arranged in decreasing size ventrally at rear margin of preopercle; depth of body 2.6 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Cocotropus dermacanthus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 6 - 6
on upper limb 3 - 3
total 9 - 9
Vertebrae
preanal
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 11 - 13
Soft-rays total 8 - 10
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 7 - 9

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   12 - 14
Pelvics Attributes  
Position    
Spines     1
Soft-rays   3 - 3
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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