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Betta fusca Regan, 1910 Dusky betta |
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photo by
JJPhoto |
| Family: | Osphronemidae (Gouramies), subfamily: Macropodusinae | |||
| Max. size: | 8.2 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 5.5 - 7; dH range: 12 | |||
| Distribution: | Asia: Sumatra, Indonesia. | |||
| Diagnosis: | Dorsal spines (total): 0-2; Dorsal soft rays (total): 7-8; Anal spines: 0-1; Anal soft rays: 23-25; Vertebrae: 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). | |||
| Biology: | Mouth brooder (Ref. 4537). | |||
| IUCN Red List Status: | Critically Endangered (CR); Date assessed: 05 January 2019 (D) Ref. (130435) | |||
| Threat to humans: | harmless | |||