Blue-back Blue-eye (Pseudomugil cyanodorsalis)

Fish in the family Pseudomugilidae. Moderate care. Freshwater.

Quick facts

Scientific namePseudomugil cyanodorsalis

FamilyPseudomugilidae

Also known asNeon Blue-eye, Cyanodorsalis Blue-eye

Care levelModerate

Reef safetyFreshwater

TemperamentPeaceful (active)

DietOmnivore

Adult size1.4 in

Minimum tank size10 gallons

Water parametersTemp 75-86°F, pH 7.2-8.5, GH 10-25 dGH

Appearance

Tiny silvery body with an iridescent blue-green back and a glowing blue eye; males show pale-edged fins during display.

Difficulty and care for the Blue-back Blue-eye

Moderate

Origin and habitat

Australia / New Guinea (coastal brackish creeks and mangrove margins)

Keeper notes

Peaceful nano blue-eye native to brackish habitats; does best with added salt and hard alkaline water, which complicates community keeping. Males display harmlessly.

Log Blue-back Blue-eye 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 Blue-back Blue-eye alongside everything else in your reef.

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