Morphology Data of Pterocryptis cochinchinensis
Identification keys
Main Ref. Kottelat, M., 1998
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales

Unusually large genital papilla; males with a long conical papilla, while females with a flat, leaf-shaped papilla with a small projection at the tip. A unique combination of the following characters: head width 11.6-15.4% SL, head depth 8.2-9.9% SL, pelvic fin length 7.5-9.6% SL, length of dorsal fin base 0.8-1.9% SL, depth of caudal peduncle 6.2-7.6% SL, and principal caudal fin rays 14-16 (Ref. 41525). Dark brown body; dorsal surface purple; stomach light gray; all fins are light gray (Ref. 40516). Eye circular (Ref. 43281).

Ease of Identification

Meristic characteristics of Pterocryptis cochinchinensis

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 7 - 9
total 53 - 58


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total
Soft-rays total 4 - 4
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 57 - 73

Paired fins

Pectoral Attributes  more or less normal
Spines     1
Soft-rays   10 - 13
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Soft-rays   7 - 9
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Binohlan, Crispina B.
Modified 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