Cairns rainbowfish (Cairnsichthys rhombosomoides)

General data
- Main name: Cairns rainbowfish
- Habitat: Freshwater
Classification
- Genus: Cairnsichthys - Cairnsichthys
- Family: Melanotaeniidae - Rainbowfishes
- Order: Atheriniformes - Silversides
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes