分類 / Names
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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
生態学
; 新鮮な水 底生の漂泳性. Tropical; 15°N - 14°N, 106°E - 107°E
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).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL オス/雌雄の選別がない; (Ref. 87997)
簡単な記述
検索表 | 形態学 | 形態計測学
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
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Ng, H.H., 2011. Akysis bilustris, a new species of catfish from southern Laos (Siluriformes: Akysidae). Zootaxa 3066:61-68. (Ref. 87997)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
栄養段階 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
