分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Akysidae (Stream catfishes)
河鯰科 (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); hendricksoni: Named for J.R. Hendrickson..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Peninsular Malaysia and Peninsular Thailand.
亞洲: 馬來半島與泰國半島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 30226)
背的軟條 (總數) : 6 - 7; 臀鰭軟條: 8 - 10; 脊椎骨: 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).
在組合特徵之後與它所有的同類區分了藉由: 在胸棘的後緣上有 4-6個鋸齒; 頭長 17.7-26.5% SL; 頭部寬度 25.4-28.7% SL; 在肛門 13.0-17.0% SL 的體高; 尾柄 8.1-10.1% SL 的深度; 眼間距 43-64% HL; 鼻觸鬚 55-79% HL 的長度; 顎觸鬚 102-167% HL 的長度; 而且尾鰭邊緣深凹.(參考文獻 30226)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: 馬來半島與泰國半島。
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 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 01 September 2018
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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).
營養階層 (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
