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/)..
More on authors: Ng & Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Selangor, Peninsular Malaysia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 3.6 cm SL オス/雌雄の選別がない; (Ref. 13213)
背面の脊椎 (合計) : 1 - 3; 背鰭 (合計) : 8 - 13; 肛門の骨: 1 - 3; 臀鰭: 23 - 31.
Facultative air-breathing (Ref. 126274); Found in a peat swamp forest (Ref. 84801), mostly in well shaded shallow waters (less than a meter deep) or along the vegetated banks of deeper streams. Occurs usually in slow flowing water. Preferred substrate appears to be leaf litter or submerged detritus. Builds a bubble nest, with the male aggressively chasing the female to below the nest (Ref. 13213) .
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Ng, P.K.L. and M. Kottelat, 1992. Betta livida, a new fighting fish (Teleostei: Belontiidae) from blackwater swamps in Peninsular Malaysia. Ichthyol. Explor. Freshwat. 3(2):177-182. (Ref. 13213)
IUCNのレッドリストの状況は (Ref. 130435)
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 28 December 2018
Human uses
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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).
栄養段階 (Ref.
69278): 3.3 ±0.45 se; based on food items.
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).
