All fish / Pseudomugilidae

Red Neon Blue-eye

Pseudomugil luminatus

Also known as red neon blue eye, red neon blue-eye, neon blue-eye, luminous blue-eye, pseudomugil luminatus, red neon blueeye, シュードムギル・ルミナトゥス, ikan mata biru, 红霓虹蓝眼灯

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A tiny blue-eye in which males glow bright red to orange with a strong blue iris, while females are plainer and more silvery. It was described only in 2018 and is kept for its intense colour and lively displays in planted nano tanks.

Care at a glance

Care level

Moderate

Temperament

Peaceful

Adult size

2.5 cm

Temperature

24 to 28 °C

pH

6 to 7.5

Smallest tank

40 litres

Keep as

Group of 8 or more, with more females than males

Diet

Omnivore: small live and frozen foods such as baby brine shrimp, daphnia and cyclops, plus fine flake and micro pellets

Swims

Top of the tank

Lifespan

1 to 3 years

Water

Freshwater

Wild range

Southern West Papua (New Guinea), Indonesia: lowland streams and swamps of the Timika region

Breeding

Pairs scatter a few eggs daily over fine plants or spawning mops across several weeks, and the eggs hatch in about two weeks. Breeding is fairly easy, but the adults eat eggs and fry, so eggs or fry should be moved to a separate tank and fed infusoria then baby brine shrimp.

Good to know

Very small and short lived, so keep only with tiny peaceful tankmates and avoid fish that could eat it. Wild stock is limited, so most fish in the trade are captive bred.