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The Lake Kutubu rainbowfish (Melanotaenia lacustris) is a species of fish in the family Melanotaeniidae. It is also known as turquoise rainbowfish. It is also known as turquoise rainbowfish. It is one of 13 fish endemic to Lake Kutubu , [ 2 ] a lake found within the Kikori River system in Papua New Guinea .
Rainbowfish usually eat floating flakes in captivity, because in the wild they will often eat insects floating on the surface. 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 ...
Melanotaenia caerulea G. R. Allen, 1996 (Blue rainbowfish) Melanotaenia catherinae (de Beaufort, 1910) (Waigeo rainbowfish) Melanotaenia corona G. R. Allen, 1982 (Corona rainbowfish) Melanotaenia duboulayi (Castelnau, 1878) (Crimson-spotted rainbowfish) Melanotaenia dumasi M. C. W. Weber, 1907 (Omba rainbowfish) [3]
Also known as golden wrasse, golden rainbowfish, and canary wrasse; scientific name halichoeres chrysus. Maximum length: 5.5 inches Wild habitat: Australia, Indonesia.
As the common name rainbowfish implies, they are generally colorful fishes. Bedotiins are elongated, laterally compressed, and rarely exceed 100 mm in standard length. Bedotiins exhibit varying degrees of sexual dimorphism, which is quite pronounced in some species. [1] The anal fin spine is weak or absent. [2]
Australian rainbowfish are usually less than 12 cm (4.7 in) in length, with some species measuring less than 6 cm (2.4 in), while one species, Melanotaenia vanheurni, reaches lengths of up to 20 cm (7.9 in). They live in a wide range of freshwater habitats, including rivers, lakes, and swamps.
Like other rainbowfish, this species shows sexual dimorphism. Breeding takes place year round and the male and female fish form pairs in which the females releases the eggs and the male fertilises them. 60-70 eggs are laid at each spawning and the golden coloured, round eggs attach to submerged vegetation with an adhesive filament.
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related to: turquoise rainbowfish size