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Cairnsichthys facts for kids

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Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Atheriniformes
Family: Melanotaeniidae
Subfamily: Melanotaeniinae
Genus: Cairnsichthys
Allen, 1980
Type species
Rhadinocentrus rhombosomoides
Nichols & Raven, 1828

Cairnsichthys is a genus of rainbowfishes from the subfamily Melanotaeniinae. The genus is endemic to freshwater streams in eastern Queensland in north eastern Australia. The genus was designated as a monotypic genus in 1928 by John T. Nichols and Henry C. Raven but in 2018 a second species was assigned to the genus.


  • Cairnsichthys bitaeniatus Allen, Hammer & Raadik, 2018 - Daintree rainbowfish
  • Cairnsichthys rhombosomoides (Nichols & Raven, 1928) - Cairns rainbowfish


The genus is named after the Australian city of Cairns with the suffix ichthys which is Greek for "fish".

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