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Betta smaragdina Ladiges, 1972 Blue betta |
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photo by
Hippocampus-Bildarchiv |
| Family: | Osphronemidae (Gouramies), subfamily: Macropodusinae | |||
| Max. size: | 7 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 6 - 8; dH range: 5 - 19 | |||
| Distribution: | Asia: Mekong and Chao Phraya basins. | |||
| Diagnosis: | Anal spines: 4-5; Anal soft rays: 22-26. Head length 4.0-4.5 times in SL; male with anal fin extending to end of caudal fin; stripes on body faint, adult male reddish brown with an iridescent blue or green spot on each scale; anal and caudal fins blue with red rays; female brown with 2 darker stripes (Ref. 43281). | |||
| Biology: | Bubble nest builder (Ref. 4537). | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 19 January 2011 Ref. (130435) | |||
| Threat to humans: | harmless | |||