Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Akysidae
(Stream catfishes) > Akysinae
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: presently known only from the Barito River drainage of southern Borneo.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL male/unsexed; (Ref. 52919)
Morphology | Morphometrics
Distinguished from all congeners by the following combination of characters: upper jaws projects more strongly forward, premaxillary teeth exposed when the mouth is closed; head width 18.2-19.4 % SL, body depth at anus 10.7-11.5 % SL, depth of caudal peduncle 6.5-6.7 % SL, interorbital distance 32-34 % HL, length of maxillary barbels 104.110 % HL; 5 teeth on posterior edge of pectoral spine, and a color pattern of a dark background with light patches.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, H.H. and D.J. Siebert, 2004. A new species of the catfish genus Akysis (Siluriformes: Akysidae) from southern Borneo. Zootaxa 733:1-8. (Ref. 52919)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .