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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 author: Regan.

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

; acqua dolce benthopelagico; pH range: 5.5 - 7.0; dH range: ? - 12. Tropical; 22°C - 26°C (Ref. 2059)

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asia: Sumatra, Indonesia.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 8.2 cm TL maschio/sesso non determinato; (Ref. 7050)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 0 - 2; Raggi dorsali molli (totale) : 7 - 8; Spine anali: 0 - 1; Raggi anali molli: 23 - 25; Vertebre: 29 - 30. Head length 33.2-33.8% SL; anal fin rays 24-25; lateral scales 29; body depth 30.9-31.7% SL; predorsal length 68.5-70.2% SL; preanal length 49.0-50.3% SL; and body length 70.4-70.8% SL (Ref. 56386).

Facultative air-breathing (Ref. 126274); Mouth brooder (Ref. 4537).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 p. (Ref. 7050)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Critically Endangered (CR) (D); Date assessed: 05 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: commerciale; Acquario: Commerciale

FAO - Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
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Alimentazione
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Ecology
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Population dynamics
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Life cycle
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Distribution
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Anatomy
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Physiology
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Genetics
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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 (0.00377 - 0.02651), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

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

Price category (Ref. 80766): Unknown.

Betta fusca Regan, 1910