Eastern Rainbowfish (Melanotaenia splendida)
Fish in the family Melanotaeniidae. Easy care. Freshwater.
Quick facts
Scientific nameMelanotaenia splendida
FamilyMelanotaeniidae
Also known asSplendid Rainbowfish, Australian Rainbowfish, Cape York Rainbowfish
Care levelEasy
Reef safetyFreshwater
TemperamentPeaceful (active)
DietOmnivore
Adult size5.5 in
Minimum tank size55 gallons
Water parametersTemp 72-86°F, pH 6.5-8.0, GH 8-18 dGH
Appearance
Olive-to-silver body with rows of red dots between scales and red-edged fins; males develop a deeper body and brighter spotting. Several subspecies vary in color.
Difficulty and care for the Eastern Rainbowfish
Easy
Origin and habitat
Australia / New Guinea (widespread eastern drainages; several subspecies)
Keeper notes
Very hardy and peaceful; large adults can boisterously outcompete timid fish at feeding. Tolerates a wide temperature range.
Log Eastern Rainbowfish 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 Eastern Rainbowfish alongside everything else in your reef.