Emerald Betta (Betta smaragdina)
Fish in the family Osphronemidae. Moderate care. Freshwater.
Quick facts
Scientific nameBetta smaragdina
FamilyOsphronemidae
Also known asBlue Betta, Smaragd Fighter
Care levelModerate
Reef safetyFreshwater
TemperamentSemi Aggressive
Dietcarnivore
Adult size2.6 in
Minimum tank size5 gallons
Water parametersTemp 75-82°F, pH 6.0-7.5, GH 3-12 dGH
Appearance
Wild betta with a dark body covered in brilliant emerald-green iridescent scales and red-edged fins.
Difficulty and care for the Emerald Betta
Moderate
Origin and habitat
Mekong basin, Thailand and Laos
Keeper notes
Bubble-nesting wild betta; males are territorial and best kept singly or as a watched pair. Less aggressive than B. splendens.
Log Emerald Betta in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Emerald Betta alongside everything else in your reef.
