Pseudobagarius similis (Ng & Kottelat, 1998)
photo by Ng, H.H.

 Family:  Akysidae (Stream catfishes), subfamily: Akysinae
 Max. size:  5.1 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  Asia: Mekong basin in southern Viet Nam.
 Diagnosis:  Dorsal soft rays (total): 6-6; Anal soft rays: 9-10; Vertebrae: 31-32. Distinguished from all its congeners by the following unique combination of characters: slender body (body depth at anus 8.2-10.3% SL; depth of caudal peduncle 3.5-4.5% SL); extremely narrow head (head width 17.5-20.2% SL); small and close-set eyes (eye diameter 6-10% HL; interorbital distance 20-26% HL); short nasal barbels (11-17% HL); the presence of 6-8 serrae along the posterior edge of the pectoral spine and 8-9 branchiostegal rays; and caudal fin strongly forked with pointed lobes (Ref. 30226).
 Biology: 
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Sampang-Reyes, Arlene G. - 10.05.99
 Modified by: Torres, Armi G. - 06.12.10

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