Morphology Data of Apistogramma aguarico
Identification keys
Main Ref. Römer, U. and I. Hahn, 2013
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth terminal
Type of scales

Distinguished from all congeners known to date by the combination of the following

characters: adult males with basically truncate transparent caudal fin without markings, both lobes with filamentous streamers in largest specimens; first membranes of dorsal fin pointed and prolonged to nearly double length of spine, creating serrated impression; pectoral fin base whitish to ivory without any dark markings in all specimens examined, creating distinct contrast with overall yellowish-brown body; broad lateral band on L+1-scale row, ending on upper third of caudal peduncle at vertical bar 7, separated from rectangular spot on centre of caudal base, centre of spot light brown creating impression of divided spot; two to three fragmentary rows of distinct oval abdominal spots, more intense in caudalmost part

above anal fin; gill cover significantly darker than rest of body below lateral band; distinct preorbital, postorbital, and cheek stripes; no black markings on ventral surface of head or body apart from short narrow grey pre-anal stripe, occasionally visible in very large specimens only (Ref. 94125).

Ease of Identification

Meristic characteristics of Apistogramma aguarico

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 16 - 16
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 20 - 22


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total 15 - 16
Soft-rays total 6 - 7
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total 3 - 4
Soft-rays total 5 - 6

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   11 - 12
Pelvics Attributes  more or less normal
Position    thoracic
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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