Blue Betta

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).

Builds bubble-nest.

Anal spines: 4 - 5; Analsoft rays: 22 - 26

Bubble nest builder (Ref. 4537).

aquarium: commercial