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> Siluriformes (Catfishes) > Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); bilustris: The specific epithet is the Latin adjective bilustris, meaning "that lasts two lustra (i.e. ten years)", in reference to the fact that the specimens comprising the type series were collected in two expeditions exactly ten years apart (Ref. 87997).

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique. Tropical; 15°N - 14°N, 106°E - 107°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Asia: Laos. Known only from two geographically proximate localities in the Xe Kong drainage, a major subdrainage of the Mekong River in southern Laos (Ref. 87997).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 2.5 cm SL mâle / non sexé; (Ref. 87997)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Akysis bilustris is distinguished from congeners by a combination of the following characters: eye diameter 14.0–17.5% HL; serrae on posterior margin of pectoral spine 2–3 and longer than half width of spine, pectoral fin reaching to or overlapping pelvic-fin base (length 24.5–29.3% SL), adipose-fin base length 14.3–18.3% SL, body depth at anus 11.4–13.8% SL, caudal-peduncle length 19.6–23.4% SL; caudal-peduncle depth 6.7–9.2% SL; caudal fin emarginate, and vertebrae 30–31 (Ref. 87997).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Ng, H.H., 2011. Akysis bilustris, a new species of catfish from southern Laos (Siluriformes: Akysidae). Zootaxa 3066:61-68. (Ref. 87997)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Données manquantes (DD) ; Date assessed: 15 November 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [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).

Niveau trophique (Ref. 69278): 3.2 ±0.5 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Akysis bilustris Ng, 2011