Gertrude's Blue-Eye (Pseudomugil gertrudae)

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Gertrude's Blue-Eye

Pseudomugil gertrudae ARUII Maennchen DYK.jpg
Gertrude's Blue-Eye - Displaying Male

Pseudomugil gertrudae

76 Litres (20 US G.)

3-4.1cm (1.2-1.6 ")


1 - 1.015


6.0 - 6.5

25 -30 °C (77-86°F)

5-12 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

3-5 years



Additional names

Spotted Blue-Eye, Gertrude's Blue-Eye

Sexing[edit | edit source]

Males have more dramatic fins and brighter colouration than females.

Tank compatibility[edit | edit source]

This fish does best in groups of at least 6 or more, more females than males. Due to their small size they do not do well in community set ups. Can be kept with small peaceful fish such as dwarf and pygmy Corydoras, small Tetras and Rasboras.

Diet[edit | edit source]

Will accept most small foods including pellet and flake as well as live/frozen foods like brine shrimp and daphnia.

Feeding regime[edit | edit source]

Feed once or twice a day.

Environment specifics[edit | edit source]

These fish do best in acidic conditions and a spacious mature planted and well filtered tank. A lid is recommended as these fish are mid-top dwellers and may jump.

Behaviour[edit | edit source]

An active and peaceful mid-top dwelling fish.

Identification[edit | edit source]

A small and slender fish with large baby blue iridescent eyes, giving them their common name. The body is green-yellow in colour while the fins have blue iridescence and spotting.

Pictures[edit | edit source]

Videos[edit | edit source]

External links[edit | edit source]