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Maccullochi Rainbow Fish


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MacCulloch’s Rainbowfish was scientifically described by O’Gilby in 1915 and its scientific name is Melanotaenia MacCulloch. It was first collected from the Barron River in Australia. In 1934, the first specimens were exported to Europe and since this fish readily spawns in aquariums it is now quite common among aquarists.MacCulloch’s Rainbowfish can reach a length of 7 cm (nearly 3 inches). It is one of the smaller species of the genus Melanotaenia. The body of the fish is silvery white (sometimes a yellowish form of white) and decorated with 6-8 reddish-brown stripes that run along the sides. Two distinct color forms are known, and if you want to keep colorful Melanotaenia MacCulloch you should ideally purchase specimens that hail from Papua New Guinea or the northernmost part of the Cape York Peninsula in Australia.

Maccullochi Rainbow Fish has a silvery-white (sometimes a yellowish form of white) and is decorated with 6-8 reddish-brown stripes that run along the sides of its body. Matured males are more colorful and have longer dorsal and anal fins than deeper-bodied females.

Maccullochi Rainbow Fish can be quite skittish and does far better when kept in a shoal of at least 6-8, preferably more. These fish are omnivorous and should be fed a quality flake food with supplemental proteins such as baby brine shrimp. Water parameters should be kept within 68°F to 86°F, pH level 5.5 to 8.0, and a water hardness of 8 to 15 dH.

Care Level: Easy
Temperament: Peaceful
Minimum Fish Tank: 20 Gallons
Lifespan: 3-5 Years
Fish Size





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