Melanotaeniidae

Cairns rainbowfish

Cairnsichthys rhombosomoides

Eight Point Five Centimeters Melanotaeniid Fish from Australian Waters

• Tropical
• Continental endemic
• Local endemic species
• Transcontinental
• Freshwater fish
• Oceania
• Small
• Tropical fish

The Cairns rainbowfish (Cairnsichthys rhombosomoides) is a species of rainbowfish endemic to Australia. This species is endemic to the wet tropics of north eastern Queensland from the Daintree River and Cape Tribulation in the north south to Innisfail where its occurs in shallow, fast flowing, shady streams over sandy substrates where the roots of trees, woody debris, leaf litter, undercut banks and hydrophytes provide cover.