Australian Rainbowfish (Melanotaenia fluviatilis)

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Australian Rainbowfish

Melanotaenia fluviatilis-272.jpg
Australian Rainbowfish

Melanotaenia fluviatilis

132 Litres (35 US G.)

10-11 cm (3.9-4.3")




6.5 - 7.6

22 -25 °C (71.6-77°F)

8-10 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

5-8 years



Additional names

Australian Rainbowfish, Crimson Spotted Rainbowfish, Western Rainbowfish, Murray River Rainbowfish

Additional scientific names

Aristeus fluviatilis, Melanotaenia splendida fluviatilis

Sexing[edit | edit source]

Males tend to be more colourful than females. Mature males get black edging to most fins.

Tank compatibility[edit | edit source]

A generally peaceful fish that is happiest in shoals of around 6, more females than males. Do not keep with long-finned fish as they may be fin-nipped. Also, do not keep with smaller or delicate species of fish or invertebrates.

Diet[edit | edit source]

Will accept most foods including pellets and flake, vegetables and live/frozen food like brine shrimp and bloodworm.

Feeding regime[edit | edit source]

Feed once or twice a day.

Environment specifics[edit | edit source]

Needs a spacious and well filtered tank with plenty of lateral open swimming space. Keep in a mature tank with some dense vegetation.

Behaviour[edit | edit source]

A very active fish that can fin nip.

Identification[edit | edit source]

The body is grey with purple and orange horizontal stripe in females, males tend to be more colourful.

Pictures[edit | edit source]

External links[edit | edit source]