Morphology Data of Gymnotus pedanopterus
Identification keys
Main Ref. Mago-Leccia, F., 1994
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

Distance between tip of pectoral fin and origin of anal fin less than one pectoral fin length; dark oblique bands on body 18-30 (usually below 30); dark and pale oblique bands with straight borders; greatest body depth 7-11% in total length; eye diameter 33-43% of interocular distance; head length 68-78% of preanal fin distance; maximum scale rows above lateral line 12-13; precaudal vertebrae 31-32; caudal vertebrae 65-67.

Ease of Identification

Meristic characteristics of Gymnotus pedanopterus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 12 - 13
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 31 - 32
total 96 - 99


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 0 - 0
Soft-rays total 0 - 0
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total
Soft-rays total 222 - 290

Paired fins

Pectoral Attributes  
Soft-rays   13 - 14
Pelvics Attributes  
Spines     0
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Binohlan, Crispina B.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17