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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 .
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]
A bluefin notho killifish, Nothobranchius rachovii, from East Africa A killifish is any of various oviparous (egg-laying) cyprinodontiform fish, [1] including families Aplocheilidae, Cyprinodontidae, Fundulidae, Nothobranchiidae, Profundulidae, Aphaniidae and Valenciidae.
Many people that purchase these fish do not realize that the fish could grow to a foot long (30 cm) within a year. Due to their fast growth rate and large size as an adult, they are often kept in aquariums that are too small for them. [45] 72-80 °F (22-27 °C) [45] 6.0-7.5 [45] Butterfly peacock bass: Cichla ocellaris: 74 cm (29 in) Orinoco ...
A Boesemani rainbowfish in an aquarium. M. boesemani is also available in the aquarium hobby, where it is prized for its excellent colours and peaceful demeanor. The colour pattern is completely different from most other forms of rainbowfish, as it has a half orange-red rear and a bluish-grey or purple front which in some specimens is almost defined perfectly.
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".
The size of guppies vary, but males are typically 1.5–4 cm (0.6–1.6 in) long, while females are 3–7 cm (1.2–2.8 in) long. A variety of fancy guppy strains are produced by breeders through selective breeding , characterized by different colours, patterns, shapes, and sizes of fins, such as snakeskin and grass varieties.
This makes Indonesia as the 4th country with the largest endemic freshwater fish species, with Brazil (1716 species) in the 1st place, China (888) in the 2nd place and USA (593 species) in the 3rd place. (Dody94 2011) Below is the list of Indonesian endemic freshwater fishes: