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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Siamese local name of the fish "ikan bettah".

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 7.1 - 7.6; dH range: 5 - 12. Tropical; 24°C - 28°C (Ref. 1672), preferred ?

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Asia: Malaysia, Singapore and Indonesia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.7 cm SL male/unsexed; (Ref. 56613)

Short description Morphology | Morphometrics

Dorsal spines (total): 0 - 2; Dorsal soft rays (total): 7-10; Anal spines: 1-2; Anal soft rays: 24 - 26; Vertebrae: 28 - 31. A member of the Betta pugnax species group that can be differentiated from other members by the following combination of characters: presence of chin-bar; absence of dark marks below postorbital stripe on opercle; presence of dorsal transverse bars; caudal transverse bars present only in male; greenish to bluish iridescent scales on opercle and body; red subdistal band and black edge on anal fin; absence of dark edge on caudal fin; anal fin rays 25-28 (mode 26); lateral scales 28-31 (mode 29); postdorsal scales 11-12 (mode 11); pelvic fin length 26.6-43.8% SL; head length 27.5-35.2% SL; inter-orbital width 32.4-53.0% HL (Ref. 56613).

Occurs in small fast flowing forest streams (Ref. 13061). Inhabits mainly overhanging bank vegetation, submerged leaf litter and exposed roots of bank vegetation (Ref. 13220, 56613). Mouth brooder (Ref. 13061).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Spawns in a depression on the substrate. Male broods the eggs in his mouth until hatching (Ref. 13061). Produces a minimum of 100 eggs (Ref. 1672).

Main reference Upload your references | References | Coordinator | Collaborators

Tan, H.H. and S.H. Tan, 1996. Redescription of the Malaysian fighting fish Betta pugnax (Teleostei: Belontiidae), and description of Betta pulchra, new species from Peninsular Malaysia. Raffles Bull. Zool. 44(2):419-434. (Ref. 13220)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Aquarium: commercial

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Betta pugnax (Cantor, 1849)