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The forktail blue-eye (Pseudomugil furcatus) is a diminutive species of rainbowfish in the subfamily Pseudomugilinae. It is endemic to Papua New Guinea, south-east of Popondetta, where it is found in rainforest streams. It used to be placed in the genus Popondetta, and even separated as Popondichthys, but this is now considered erroneous.
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 ...
Total length measurements are used in slot limit and minimum landing size regulations. Fishery biologists often use a third measure in fishes with forked tails, called Fork length ( FL ), the length of a fish measured from the tip of the snout to the end of the middle caudal fin rays, and is used in fishes in which it is difficult to tell where ...
Small in size, not too fussy about pH levels, and preferring cooler temperatures, these hardy additions are practically fuss-free. So they will feel right at home in one of the best small fish tanks .
The banded rainbowfish itself is exemplary of these traits; a hardy and peaceful shoaling fish, they make easy additions to most peaceful community aquariums and can tolerate a wide range of water parameters. Like many other rainbowfish, this species should be kept in an aquarium with a lid as they are capable of jumping out. [5]
The dwarf rainbowfish (Melanotaenia praecox) is a species of rainbowfish in the subfamily Melanotaeniinae. It is known under a number of common names including diamond rainbowfish , [ 3 ] neon rainbowfish , Praecox rainbowfish , dwarf neon rainbowfish , peacock rainbowfish , and Teczanka neonowa . [ 4 ]
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The ornate rainbowfish is a small, slender and rather elongated species of rainbowfish. It has two dorsal fins that are only narrowly separated, and the first dorsal fin is considerably smaller than the second. [3] There are 3 to 5 thin, soft spines in the first dorsal fin while the second dorsal fin has 11–15 segmented rays. [4]