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Parachanna africana, the African snakehead or Niger snakehead, is a species of fish from west-central Africa.Little is published on its biology. Limited primarily to coastal sections of rivers, it is thought to be a nest-building, thrust predator like other Channidae.
The snakeheads are members of the freshwater perciform fish family Channidae, native to parts of Africa and Asia.These elongated, predatory fish are distinguished by their long dorsal fins, large mouths, and shiny teeth.
Minois nagasawae, also known as the Nagasawa snake-eyed butterfly, is a species of butterfly in the family Nymphalidae. [1] Distribution
Head of a northern snakehead. The distinguishing features of a northern snakehead include a long dorsal fin with 49–50 rays, [6] an anal fin with 31–32 rays, a small, anteriorly depressed head, the eyes above the middle part of the upper jaw, a large mouth extending well beyond the eye, and villiform teeth in bands, with large canines on the lower jaw and palatines.
Capture (blue) and aquaculture (green) production of Channa micropeltes in thousand tonnes from 1950 to 2022, as reported by the FAO [2]. Channa micropeltes, giant snakehead, giant mudfish or toman harimau, is among the largest species in the family Channidae, capable of growing to 1.3 m (4.3 ft) in length and a weight of 20 kg (44 lb). [3]
The scales on butterfly wings are pigmented with melanins that can produce the colours black and brown. The white colour in the butterfly family Pieridae is a derivative of uric acid, an excretory product. [13] [40]: 84 Bright blues, greens, reds, and iridescence are usually created not by pigments but through the microstructure of the scales.
Group of the related Chaetodon fasciatus in the Red Sea. Chaetodon lunula can reach a length of 20 cm (nearly 8 in). [2] These large butterflyfishes have an oval outline, with a pattern of ascending oblique reddish stripes on the flanks and black and white bands over the face and eyes, similar to the "raccoon" mask (hence the common name).
Capture (blue) and aquaculture (green) production of Striped snakehead (Channa striata) in thousand tonnes from 1950 to 2022, as reported by the FAO [6]Channa striata, the striped snakehead, is a species of snakehead fish.