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

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 7.0 - ? ; dH range: 11 - ?. Tropical; 22°C - 26°C (Ref. 12468), preferred ?

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Asia: endemic to Thailand.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 58784)

Short description Morphology | Morphometrics

Body oblong, dusky or yellowish brown with 3 fainted dark stripes. Opercle with blue green patch, fins with iridescent blue, anal fin with dark margins. Pelvic fin short, anal fin base long, caudal fin rounded (Ref. 58784).

Inhabits limestone streams and marshes (Ref. 58784). The type locality was described as a pool of 10-15 m diameter, up to 10 m deep and the species was collected along the banks. Water data reported was 27 °C, pH 7.0, electric conductivity 530 µS/cm. Examined specimens were collected in a comparatively fast flowing, clear-water creek and were found between plants (Ref. 78499). Carnivorous, feeding on zooplankton and insects (Ref. 58784).

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

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M., 1994. Diagnoses of two new species of fighting fishes from Thailand and Cambodia (Teleostei: Belontiidae). Ichthyol. Explor. Freshwat. 5(4):297-304. (Ref. 26708)

IUCN Red List Status (Ref. 115185)

Critically Endangered (CR) (B1ab(iii)+2ab(iii))

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Aquarium: commercial

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Internet sources

Betta simplex Kottelat, 1994