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); hendricksoni: Named for J.R. Hendrickson.
Eponymy: Professor Dr John Roscoe Hendrickson (1921–2002) was a zoologist who was an expert on sea turtles and fought tenaciously for their conservation. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Peninsular Malaysia and Peninsular Thailand.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 4.9 cm SL オス/雌雄の選別がない; (Ref. 30226)
背鰭 (合計) : 6 - 7; 臀鰭: 8 - 10; 脊つい: 31 - 34. Distinguished from all its congeners by the following combination of characters: presence of 4-6 serrae on posterior edge of pectoral spine; head length 17.7-26.5% SL; head width 25.4-28.7% SL; body depth at anus 13.0-17.0% SL; depth of caudal peduncle 8.1-10.1% SL; interorbital distance 43-64% HL; length of nasal barbel 55-79% HL; length of maxillary barbel 102-167% HL; and caudal fin deeply emarginate (Ref. 30226).
Body shape (shape guide): elongated.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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のレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
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 (参照
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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