Least Rasbora (Boraras urophthalmoides)

Fish in the family Cyprinidae. Moderate care. Freshwater.

Least Rasbora

Quick facts

Scientific nameBoraras urophthalmoides
FamilyCyprinidae
Also known asExclamation Point Rasbora, Sawbwa Rasbora (trade mix-up), Dwarf Rasbora
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
Dietomnivore
Adult size0.7 in
Minimum tank size5 gallons
Water parametersTemp 73-82°F, pH 5.0-7.0, GH 1-8 dGH

Appearance

Tiny body with a dark lateral line ending in a spot, topped by an orange-gold stripe (the 'exclamation point').

Difficulty and care for the Least Rasbora

Moderate

Origin and habitat

Thailand, Cambodia, Vietnam

Keeper notes

Completely peaceful and tiny; ideal shrimp-tank companion.

Log Least Rasbora 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 Least Rasbora alongside everything else in your reef.