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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: Kottelat & Ng.

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce bentopelágico; rango de profundidad 0 - ? m (Ref. 12803). Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Asia: known only from the Sebuku basin, Kalimantan Timur, Borneo, Indonesia.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.8 cm SL macho / no sexado; (Ref. 12803)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 3 - 4; Radios blandos dorsales (total) : 6 - 8; Espinas anales: 10; Radios blandos anales: 12 - 13.

Facultative air-breathing (Ref. 126274); Occurs in forest streams with moderate current, in shallow water (5-10 cm deep) in plant roots and leaf litter along the shores.

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Kottelat, M. and P.K.L. Ng, 1994. Diagnoses of five new species of fighting fishes from Banka and Borneo (Teleostei: Belontiidae). Ichthyol. Explor. Freshwat. 5(1):65-78. (Ref. 12803)

IUCN Red List Status (Ref. 130435)

Endangered (EN) (B2ab(v)); Date assessed: 05 December 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
componentes alimenticios
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Nivel trófico (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Resiliencia (Ref. 120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Betta albimarginata Kottelat & Ng, 1994