Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Akysidae
(Stream catfishes) > Akysinae
Etymology: leucorhynchus: The specific name is derived from the Greek leucos (white) and rhynchos (snout), referring to the white end of the snout. More on author: Fowler.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: Chao Phraya basin and southern Peninsular Thailand (Ref. 30226). Reported from the Mekong basin (Ref. 30857).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm SL male/unsexed; (Ref. 30226)
Morphology | Morphometrics
soft rays: 6 - 8;
Vertebrae: 31 - 34. Distinguished from all its congeners by the following combination of characters: light-yellow snout with a sharp, contrasted edge discrete line demarcation; presence of 4-6 small serrae on the posterior edge of pectoral spine; head width 20.3-25.5% SL; depth of caudal peduncle 5.5-7.1% SL; length of anal-fin base 9.7-16.6% SL; length of nasal barbel 16-38% HL; 5 branchiostegal rays; and caudal fin deeply emarginate (Ref. 30226).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates 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. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .