Akysis recavus Ng & Kottelat, 1998
photo by Baird, I.G.

Family:  Akysidae (Stream catfishes), subfamily: Akysinae
Max. size:  4 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Chao Phraya basin in Thailand (Ref. 30226). Reported from the Mekong basin in Laos (Ref. 30857).
Diagnosis:  Dorsal soft rays (total): 5-6; Anal soft rays: 8-9; Vertebrae: 31-33. Distinguished from all its congeners by the following combination of characters: truncate caudal fin; presence of 4 serrae along posterior edge of pectoral spine; slightly concave lateral margins of the head when viewed dorsally; eyes located laterally with a suborbital depression; body depth at anus 8.9-13.5% SL; depth of caudal peduncle 6.1-8.6% SL; length of dorsal-fin base 13.1-22.1% SL; length of adipose-fin base 18.4-25.2% SL; and eye diameter 14-20% HL (Ref. 30226).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 16 December 2010 Ref. (130435)
Threat to humans:  harmless


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