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Channa is a genus of predatory fish in the family Channidae, commonly known as snakeheads, native to freshwater habitats in Asia. This genus contains about 50 scientifically described species . The genus has a wide natural distribution extending from Iraq in the west, to Indonesia and China in the east, and parts of Siberia in the Far East .
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.
The small snakehead (Channa asiatica) is a species of snakehead. It is one of four species of the genus Channa native to China. It also can be found in Taiwan and southern Japan, to which it migrated (or was introduced). It is a medium-sized snakehead which is a nestbuilder (as opposed to the Indian mouthbrooder dwarf snakeheads).
Channa marulioides, commonly known as the emperor snakehead, is a species of fish in the family Channide. It is native to parts of Indonesia , Thailand and Malaysia . [ 2 ] [ 3 ] It reaches a maximum length of 65 cm (26 in).
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. It is also known as the common snakehead, chevron snakehead, or snakehead murrel and generally referred simply as mudfish.
The various species of snakeheads differ greatly in size; dwarf snakeheads, such as Channa orientalis, do not surpass 25 cm (10 in) in length. Most other snakeheads reach between 30 and 90 cm (12 and 35 in). Five species (C. argus, C. barca, C. marulius, C. micropeltes, and C. striata) can reach 1 m (3 ft 3 in) or more. [2]
Channa pardalis is a species of dwarf snakehead in the genus Channa.It was first described in 2016 from Khasi Hills, Meghalaya of northeastern India. [1] Prior to its scientific description, it was known as Channa sp. "True Blue" or Channa sp. "Meghalaya" in the aquarium trade, although some claim that "Meghalaya" is another, still undescribed species. [2]
The Malabar snakehead differs from all other species in the genus by its high number of lateral line scales (103–105 vs. 36–91). It further differs from all other Channa species, except C. bankanensis, C. lucius, C. micropeltes, and C. pleurophthalma, by the presence of gular scales, a patch of scales between the anterior tips of the lower jaws, visible in ventral view.