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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.
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 ...
Australian rainbowfish usually do best with tropical community fish, such as tetras, guppies, and other rainbowfish. However, two males may sometimes fight at breeding season if there are not enough females. Australian rainbowfish usually eat floating flakes in captivity, because in the wild they will often eat insects floating on the surface.
Boesemania is a relatively large species, reaching a maximum published standard length of 100 cm (39 in), although 20 cm (7.9 in) is more typical, and 18 kg (40 lb) in weight. [3]
The species is a large and muscular rainbowfish, generally attaining a length 15 cm (5.9 in). Individuals are a dark lavender colour at the basic level with a rosy chest. [ 2 ] Males have deeper bodies than the females, and have extended fins, as well as the back half of their bodies being coated in a reflective golden-orange.
Cyprinodontiformes / ˌ s ɪ p r ɪ n oʊ ˈ d ɒ n t ɪ f ɔːr m iː z / is an order of ray-finned fish, comprising mostly small, freshwater fish. [1] Many popular aquarium fish, such as killifish and live-bearers, are included.
Atheriniformes are generally elongated and silvery in colour, although exceptions do exist. They are typically small fish, with the largest being the Argentinian silverside, with a head-body length of 50 cm (20 in), [4] and the smallest species, such as the Bangkok minnow, being only 2 cm (0.79 in) in adult length.
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".