All fish / Pseudomugilidae

Inconspicuous blue-eye

Pseudomugil inconspicuus

Also known as inconspicuous blue eye, inconspicuous blueeye, little blue-eye, inconspicuus blue-eye, 暗色鲻银汉鱼

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One of the smallest blue-eyes, this is a slim, semi-translucent fish with a pale bluish eye ring and faint yellowish fins, more understated than its relatives. Keepers of nano tanks and species biotopes like it for its tiny size, calm shoaling and lively displays among males.

Care at a glance

Care level

Moderate

Temperament

Peaceful

Adult size

2.5 cm

Temperature

24 to 30 °C

pH

6.5 to 7.8

Smallest tank

40 litres

Keep as

Group of 8 or more, with more females than males

Diet

Omnivore: tiny live and frozen foods such as baby brine shrimp, daphnia and microworms, plus fine flake

Swims

Top of the tank

Lifespan

1 to 2 years

Water

Freshwater

Wild range

Southern New Guinea (Fly River area and Merauke region) and coastal northern Australia (Northern Territory)

Breeding

It scatters eggs over fine-leaved plants or spawning mops across several days, and the eggs hatch in roughly two weeks. Breeding is fairly straightforward if eggs are moved away from adults, but the very small fry need infusoria or other microscopic first foods.

Good to know

Rarely available and short lived, so keep a breeding group going to maintain stock. Too small and timid for tanks with larger or boisterous fish.