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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/); ideii: Named after Takashige Idei, the intrepid fish collector and friend.
Eponymy: Takashige Idei is a Japanese researcher of the Betta genus. [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
Asia: Kalimantan Selatan in Borneo, Indonesia.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 8.3 cm SL macho / no sexado; (Ref. 57022)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0 - 1; Radios blandos dorsales (total) : 8 - 9; Espinas anales: 1 - 2; Radios blandos anales: 30 - 32. Presence of an orange patch in front of eye continuous to upper jaw when live (pale yellow to white when preserved, character shared with Betta patoti). Large males almost totally jet black or dark brown when preserved. Anal fin with 32-33 rays. Dorsal fin with 8-9 rays. Lateral line with 34 1/2-35 scales. Predorsal scales 25-27. Predorsal length 67.8-69.5% SL (Ref. 57022).
Body shape (shape guide): fusiform / normal.
Facultative air-breathing (Ref. 126274)
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Tan, H.H. and P.K.L. Ng, 2006. Six new species of fighting fish (Teleostei: Osphronemidae: Betta) from Borneo. Ichthyol. Explor. Freshwat. 17(2):97-114. (Ref. 57022)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
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).
Nivel trófico (Referencia
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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