| Melanotaenia australis | |
|---|---|
| | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Atheriniformes |
| Family: | Melanotaeniidae |
| Genus: | Melanotaenia |
| Species: | M. australis |
| Binomial name | |
| Melanotaenia australis (Castelnau, 1878) | |
| Synonyms | |
Neoatherina australisCastelnau, 1878 | |
Melanotaenia australis, the western rainbowfish, is a species of freshwater rainbowfish endemic to Australia's Kimberley and Pilbara, [1] Top End. [2] The western rainbowfish (Melanotaenia, australis) is one of the most common and highly abundant freshwater fish endemic to north-western Australia; [3] It ranges from the Ashburton River in the Pilbara region of Western Australia to the Adelaide river in the Northern Territory. [4] It shows extensive geographic variation in their color pattern. [3]
Predation is associated with the variation in color pattern in rainbow fish ( Melanotaenia australis). [5] Meanwhile, variation in reflectance and body shape was associated with variation in environmental conditions. [5]