分類 / Names
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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/).; 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
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Sumatra, Indonesia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.4 cm SL オス/雌雄の選別がない; (Ref. 56386)
背面の脊椎 (合計): 1 - 2; 背鰭 (合計): 7-10; 肛門の骨 2; 臀鰭: 23 - 26; 脊つい: 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).
Facultative air-breathing (Ref. 126274); Inhabits lowland swamp forests (Ref. 56386).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
Human uses
水族館・水槽: 商業; 餌: usually
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
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=0.00977 (0.00367 - 0.02602), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this Subfamily-BS (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
