Betta smaragdina Ladiges, 1972
Blue betta
Betta smaragdina
photo by Hippocampus-Bildarchiv

 Family:  Osphronemidae (Gouramies), subfamily: Macropodusinae
 Max. size:  7 cm TL (male/unsexed)
 Environment:  benthopelagic; 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  (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Found in the Mekong basin (Ref. 43281).

 Entered by: Sa-a, Pascualita - 06.08.94
 Modified by: Bailly, Nicolas - 12.05.06

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