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Pterocryptis cochinchinensis (Valenciennes, 1840)

 

Image contributors to this species:

Chinese Academy of Fishery Sciences (1) Muséum national d'histoire naturelle (1)

ScotCat Sources:

Etymology = Genus  Etymology = Species

Other Sources:

Search  FishBase  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

Description: Dorsal soft rays (total): 4; Anal soft rays: 57 - 73; Vertebrae: 53 - 58. 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. Eye circular. Habitat: Adults inhabit streams. Sexual Differences: 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. Colouration: Dark brown body; dorsal surface purple; stomach light grey; all fins are light grey. Etymology: Named after the type locality in Vietnam of Cochinchina which refers to the region south of the Gianh River. Diet: They feed actively at night on small fish, crustaceans and insects.

Common Name:

None

Synonyms:

Silurus cochinchinensis

Family:

Siluridae

Distribution:

Asia: Coastal Rivers of central Vietnam, between Vinh and An Lao (Ng & Freyhof, 2001a); Xijiang [= West River], Jiulongjiang, Hainan Island (Chu et al., 1999); Nam Xam basin, Laos (Kottelat, 2001b). Type locality: [Cochinchine].

Size:

16.5cm. (6½ins)

Temp:

20-24°C (67-75°F)

p.H.

6.0-7.0.

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Froese, R. and D. Pauly. Editors. 2021. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 06/2021 ).
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p.



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Family: Siluridae  Back to Ident-A-Cat  Click on Thumbnails

Click for full imagePterocryptis cochinchinensis
Click for full imagePterocryptis cochinchinensis
Syntype-Vietnam

 

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