Eastern Rainbowfish (Melanotaenia splendida)

Fish in the family Melanotaeniidae. Easy care. Freshwater.

Eastern Rainbowfish

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.