分類 / Names
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/).; raja: Named from the Malay vernacular Raja, meaning king or prince; also from the Indonesian vernacular for this species Chupang Raja..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Sumatra, Indonesia.
亞洲: 印尼的蘇門答臘。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 56386)
背棘 (總數) : 1 - 2; 背的軟條 (總數) : 7 - 10; 臀棘: 2; 臀鰭軟條: 23 - 26; 脊椎骨: 28 - 30. Pelvic fin very long in mature males (15-23 anal fin rays at pelvic fin end, even exceeding anal-fin base in some specimens); anal fin and lower half of caudal fin with dark margins; anal fin rays 25-28 (mode 26); lateral scales 30-32 (mode 31); head length 33.9-37.4% SL; predorsal length 20.0-24.6% SL; preanal length 46.1-52.4% SL; and body length 62.8-70.7% SL (Ref. 56386).
腹鰭非常長的在成熟的雄性中;(在腹鰭末端的 15-23個臀鰭棘條, 甚至超過在一些標本中的臀鰭基底) 臀鰭與下半部尾鰭有黑邊; 臀鰭棘條 25-28(模態 26); 側面的鱗片 30-32(模態 31); 頭長 33.9-37.4% SL; 前背的長度 20.0-24.6% SL; 肛門前部分的長度 46.1-52.4% SL; 而且體長 62.8-70.7% SL.(參考文獻 56386)
Facultative air-breathing (Ref. 126274); Inhabits lowland swamp forests (Ref. 56386).
棲息於低地的沼澤森林。 (參考文獻 56386)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: 印尼的蘇門答臘。
Tan, H.H. and P.K.L. Ng, 2005. The labyrinth fishes (Teleostei: Anabantoidei, Channoidei) of Sumatra, Indonesia. Raffles Bull. Zool. Supplement (13):115-138. (Ref. 56386)
人類使用
漁業: 商業性; 水族館: 商業性; 誘餌: usually
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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).
