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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/); antoni: Named for Irwan Anton in recognition of his generous help and gift of specimens.
Eponymy: Irwan Anton is based in Pontianak, West Kalimantan, Indonesia. The authors honoured him “in recognition of his generous help and gift of specimens.” (Ref. 128868), visit book page.

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

; eau douce benthopélagique. Tropical

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Asia: Lower Kapuas basin in Kalimantan Barat, Indonesia.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 5.0 cm SL mâle / non sexé; (Ref. 57022)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0 - 1; Rayons mous dorsaux (Total) : 7 - 8; Épines anales: 1 - 2; Rayons mous anaux: 25 - 27; Vertèbres: 30 - 31. Body scales with blue iridescence when live; distinct black lower lip with black chin bar; very slim body (body depth at dorsal-fin origin 20.6-22.9% SL; height at pectoral-fin origin 12.8-15.5% SL); 23-24 predorsal scales; 31-33 lateral scales and 25-27 anal fin rays (Ref. 57022).

Facultative air-breathing (Ref. 126274)

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Menacé (EN) (B2ab(iii)); Date assessed: 07 December 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

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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).

Niveau trophique (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

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

Betta antoni Tan & Ng, 2006