分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anabantiformes (Gouramies, snakeheads) >
Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Malay/Javanese origin. Bleeker (1850, 1858) indicates Ikan Wadder Bettah as the local name of Betta trifasciata Bleeker, 1849 (now Betta picta, Valenciennes, 1846) in the Ambarawa Javanese dialect. Ikan Wader is a common Javanese name for smaller freshwater fishes, especially cyprinids (already used in Old Javanese). See Blust, R. & Trussel, S. Austronesian Comparative Dictionary. Web Edition (https://www.trussel2.com/acd/).; lehi: Named for Charles M.U. Leh, curator of Zoology at the Sarawak Museum, in recognition of his kind help..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 6.8 - ?.
Asia: restricted to the area southwest of Kuching, Malaysia and in the lower Kapuas basin in Kalimantan Barat, Indonesia.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 56613)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 8 - 10; 臀棘: 2; 臀鰭軟條: 23 - 27; 脊椎骨: 28 - 30. Chin bar absent. Dorsal fin transverse bars present. No Caudal fin transverse bars. Green iridescent scales on opercle and body. Anal fin with iridescent light blue distal border. Two black marks below postorbital stripe on opercle of female and juvenile. Anal-fin rays 25-29 (mode 28). Lateral scales 28-30 (mode 29). Postdorsal scales 10-11 (mode 11). Pelvic fin length 34.8-50.6% SL. Head length 33.4-36.8% SL. Interorbital width 31.7-37.4% HL (Ref. 56613).
Facultative air-breathing (Ref. 126274); Found in peat swamp forests and acid water swamp forests. Occurs in quiets parts of streams among overgrown submerged bank vegetation (Ref. 56613).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Tan, H.H. and P.K.L. Ng, 2005. The fighting fishes (Teleostei: Osphronemidae: Genus Betta) of Singapore, Malaysia and Brunei. Raffles Bull. Zool. Supplement (13):43-99. (Ref. 56613)
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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=0.01000 (0.00376 - 0.02663), b=2.97 (2.75 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
