Pterocryptis cochinchinensis (Valenciennes, 1840)
photo by MNHN

Family:  Siluridae (Sheatfishes)
Max. size:  40.1 cm TL (male/unsexed); max.weight: 430.0 g
Environment:  demersal; freshwater
Distribution:  Asia: Nam Xam basin in Laos, Viet Nam, southeastern China (Ref. 43281) and Thailand (Ref. 9417).
Diagnosis:  Dorsal soft rays (total): 4-4; Anal soft rays: 57-73; Vertebrae: 53-58. 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).
Biology:  Adults inhabit streams. They feed actively at night on small fish, crustaceans and insects.
IUCN Red List Status: Least Concern (LC); Date assessed: 13 August 2010 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Torres, Armi G. - 08.08.95
Modified by: Reyes, Rodolfo B. - 27.10.16

Source and more info: For personal, classroom, and other internal use only. Not for publication.

Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by sortiz, 10/02/17