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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 and 28 °C), and plenty of aquatic plants to give them hiding places amid ...
English: A comparison of several size estimates for Deinosuchus, a giant Late Cretaceous crocodilian. The largest credible specimen of modern C. porosus (saltwater crocodile) is also included in the diagram for comparison, as is an average height human. Full citation information: Colbert, Edwin H; Bird, Roland T. (1954).
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 9131 least concern fish species. [1] 60% of all evaluated fish species are listed as least concern.
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]
Melanotaenia kamaka, the Kamaka rainbowfish is a species of rainbowfish in the subfamily Melanotaeniinae. It endemic to southwest New Guinea , [ 1 ] specifically lake Kamakawaiar of which it earns its name.
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]
The blue rainbowfish (Melanotaenia caerulea) is a species of rainbowfish in the subfamily Melanotaeniinae which is endemic to Papua New Guinea. It is found mostly in the lower and middle Kikori drainage system. [2] [3] The blue rainbowfish was described by Gerald R. Allen in 1996.