Teleostei (teleosts) >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); ephippifer: The specific name is derived from the Latin ephippium (saddle) and ferre (to bear), referring to the saddle-shaped markings on the body.
More on authors: Ng & Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Mekong basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 52824)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 5 - 6; Anal soft rays: 9 - 11; Vertebrae: 33. Distinguished from all its congeners by the following combination of characters: round head when viewed dorsally; presence of 1+3 gill rakers on the first branchial arch and 4-5 serrae on the posterior edge of the pectoral spine; depth of caudal peduncle 7.3-14.1 % SL; length of maxillary barbel 61-121% HL; length of inner mandibular barbel 33-74% HL; and caudal fin emarginate (Ref. 30226).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H. and M. Kottelat, 1998. The catfish genus Akysis Bleeker (Teleostei: Akysidae) in Indochina, with descriptions of six new species. J. Nat. Hist. 32:1057-1097. (Ref. 30226)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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