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Ruby rainbowfish - Melanotaenia splendida rubrostriata

Ruby rainbowfish - Melanotaenia splendida rubrostriata

Scientific name: Melanotaenia splendida rubrostriata

Common name: Ruby rainbowfish

Family: Melanotaeniidae

Usual size in fish tanks: 12 - 15 cm (4.72 - 5.91 inch)


Recommended pH range for the species: 5.6 - 7.8

Recommended water hardness (dGH): 7 - 12°N (125 - 214.29ppm)

0°C 32°F30°C 86°F

Recommended temperature: 24 - 30 °C (75.2 - 86°F)

The way how these fish reproduce: Spawning

Where the species comes from: Oceania

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Middle levels

Food and feeding

Ruby rainbowfish will accept all foods offered, quality flake and small pellets should be used for the staple diet. Blood worms and brine shrimp should supplement this as well.


Papua, New Guinea and is also found around the Aru Islands Indonesia.


The males will display more coloration with deeper bodies than the females.


This species breeds better if kept in groups. Spawning mops should be provided and these should be moved to another tank when spawning is complete. The eggs should hatch after about a week, feed the fry on Infusoria until they have grown slightly, then they can be offered newly hatched brine shrimp or crushed flake.


The expected life span for Melanotaenia splendida rubrostriata is 5 years.

Short description

Melanotaenia splendida rubrostriata must be kept in groups, preferably in a ratio where there is 2-3 females per male fish. They prefer acidic water with a low current. Plants should be included in the set up but also provide open swimming spaces.


Bought by from rainbowfish

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