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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 Ökologie

; süßwasser benthopelagisch; tiefenbereich 0 - ? m (Ref. 12803). Tropical

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

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 2.8 cm SL Männchen/unbestimmt; (Ref. 12803)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 3 - 4; Rückenflossenweichstrahlen (insgesamt) : 6 - 8; Afterflossenstacheln: 10; Afterflossenweichstrahlen: 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 | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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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 Rote Liste Status (Ref. 130435)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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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).

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

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

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

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