Dwarf Emerald Rasbora


The Dwarf Emerald Rasbora (Celestichthys erythromicron) is a small species of freshwater fish native to Myanmar. This small, green fish species is extremely docile and make great additions to nano aquariums.

Minimum Tank Size: 10 Gallons for a school of 6+

Maximum Fish Size: 1 inches 

Water Temperature: 68°F - 76° F

Ideal pH: 7.0 - 8.0

Water Hardness: 2 - 10 dGH

Temperament: Docile, Schooling. May be shy and reclusive if kept in too-small groups.


Unless experienced with fish-in cycling, we always suggest cycling an aquarium BEFORE adding fish. Adding fish to a fresh, un-cycled aquarium can kill them rapidly. We offer free water testing at our physical location, and advice via email or call.