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The Murray River rainbowfish (Melanotaenia fluviatilis), [2] known less commonly as the Australian rainbowfish, is a species of freshwater fish endemic to southeastern Australia. The southernmost species of all rainbowfishes , these fish are very colourful, hence the name; and there is sexual dimorphism with the males being larger and more ...
In a home setting, these fish need well-oxygenated water with a pH level of 6.8 – 7.2, optimal temperatures varying between 72 and 82 °F (22–28 °C), and plenty of aquatic plants to give them hiding places amid their school. If properly cared for, Rainbowfish can live up to 5 years in captivity. [5]
The banded rainbowfish (Melanotaenia trifasciata), also known as the Jewel rainbowfish, Goyder River rainbowfish, three-striped sunfish or regal rainbowfish, is a species of rainbowfish found in the northerly regions of North Australia and Queensland.
Melanotaeniinae the Australian rainbowfishes is a subfamily of the rainbowfishes of the family Melanotaeniidae.They are a group of small, colourful, freshwater fish found in northern and eastern Australia, New Guinea, islands in Cenderawasih Bay the Raja Ampat Islands in Indonesia and in Madagascar.
Melanotaenia duboulayi, the crimson-spotted rainbowfish, less commonly known as the Duboulay's rainbowfish, [2] is a species of freshwater fish endemic to coastal eastern Australia, although M. duboulayi has also been kept as an aquarium fish since the early 20th century, and is the original "Australian rainbowfish".
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 ...
Melanotaenia splendida splendida, also known as the eastern rainbowfish, is a subspecies of fish in the family Melanotaeniidae endemic to Australia. [1]The Eastern rainbowfish is widespread on the mainland, and is found in river systems east of the Great Dividing Range of Queensland, Australia, from the Boyne River south of Gladstone to Cape York Peninsula.
It is native to freshwater swamps and demersal or thickly vegetated areas of flowing waters, in tropical northern Australia and New Guinea. [1] It grows up to 5 cm (2.0 in) in length, but this does not include the Threadfin's long tail. Sexing is easy by examining fins: males have larger, gaudier finnage than females.