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分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Anabantiformes (Gouramies, snakeheads) 鱸形目 (Gouramies, snakeheads) > Osphronemidae (Gouramies) 絲足鱸科 (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/). More on authors: Tan & Kottelat.
背棘 (總數) : 1; 背的軟條 (總數) : 8; 臀棘: 2; 臀鰭軟條: 26 - 27; 脊椎骨: 31 - 32. Fewer total anal rays than B. balunga (28-29 versus 30). More lateral scales than B. balunga and B. chini (31 1/2-32 1/2 versus 29-31). More lateral scales below dorsal-fin origin (18-19, versus 15-18). Greater total length than B. balunga and B. chini (145.5-153.5% SL, versus 132.8-144.6). Shorter head length than B. balunga (31.3-31.7% SL versus 32.6-35.5). Deeper body depth at dorsal-fin origin than B. akarensis and B. chini (30.6-31.6% SL versus 25.1-30.9). Shorter preanal length than B. balunga (44.7-46.3% SL versus 49.2-52.2). It has the most pigmented opercle pattern with a darkly pigmented opercle distal edge and many spots (more than 7 versus 5 or less, or stripes) (Ref. 30224). Body shape (shape guide): fusiform / normal. 超過 B. balunga 的較少的總臀鰭鰭條.(28-29 對 30) 超過 B. balunga 與 B. chini 的比較側面的鱗片.(311/2-321/2 對 29-31) 在背鰭起點之下的比較側面的鱗片.(18-19, 對 15-18) 超過 B. balunga 與 B. chini 的較大全長.(145.5-153.5% SL, 對 132.8-144.6) 超過 B. balunga 的較短的頭長.(31.3-31.7% SL 對 32.6-35.5) 超過 B. akarensis 與 B. chini 的在背鰭起點的較深的體高.(30.6-31.6% SL 對 25.1-30.9) 超過 B. balunga 的較短的肛門前部分的長度.(44.7-46.3% SL 對 49.2-52.2) 它有最有顏色鰓蓋圖案暗具有一個有顏色鰓蓋末梢部的邊緣與許多斑點 (超過 7 對 5 以內 , 否則斑紋).(參考文獻 30224)
Facultative air-breathing (Ref. 126274); Occurs in forest streams with slow current and swamp forest, in shore vegetation and leaf litter (Ref. 56749).
Tan, H.H. and M. Kottelat, 1998. Two new species of Betta (Teleostei: Osphronemidae) from the Kapuas Basin, Kalimantan Barat, Borneo. Raffles Bull. Zool. 46(1):41-51. (Ref. 30224)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00374 - 0.02675), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref. 59153): Low vulnerability (10 of 100). 🛈
