Morphology Data of Psilorhynchus nepalensis
Identification keys
Main Ref. Conway, K.W. and R.L. Mayden, 2008
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales

Can be distinguished based on the following combination of the characters: scales on lateral line 31-33; head width 67-74% HL; head length 21-25% SL; eye diameter 25-30% HL; snout length 48-55% HL; absence of scales from its midventral region between pectoral fins; principal rays in the lower caudal-fin lobe 8; presence of a dark pigment blotch on the distal edge of the dorsal fin; presence of 2 or 3 dark, irregular vertical bars on the caudal fin; dorsal saddles extending 3-4 scales rows downwards from the dorsal surface, contacting the round to squarish dark blotches, arranged in a longitudinal row on flank; absence of a large post-epiphysial fontanelle; and dorsal fin with 9 rays (Ref. 79816).

Ease of Identification

Meristic characteristics of Psilorhynchus nepalensis

Lateral Lines Interrupted: No
Scales on lateral line 31 - 33
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 10 - 10
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 11 - 12
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  
Soft-rays   15 - 17
Pelvics Attributes  
Soft-rays   8 - 10
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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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