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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/); lehi: Named for Charles M.U. Leh, curator of Zoology at the Sarawak Museum, in recognition of his kind help.
Eponymy: Dr Charles Leh Moi Ung is Curator of Zoology, Sarawak Museum Department and works with the Ministry of Environment and Tourism. [...] (Ref. 128868), visit book page.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce bentopelágico; pH range: 6.8 - ?. Tropical
Asia: restricted to the area southwest of Kuching, Malaysia and in the lower Kapuas basin in Kalimantan Barat, Indonesia.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 6.1 cm SL macho/indeterminado; (Ref. 56613)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Raios dorsais (total) : 8 - 10; Espinhos anais: 2; Raios anais : 23 - 27; Vértebras: 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).
Body shape (shape guide): fusiform / normal.
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).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 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).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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