Northern snakehead - Search
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  2. Appearance

    The distinguishing features of a northern snakehead include a long dorsal fin with 49–50 rays, an anal fin with 31–32 rays, a small, anteriorly depressed head, the eyes above the middle part of the upper jaw, a large mout… See more

    Behavior

    The northern snakehead is a freshwater species and cannot tolerate salinity in excess of 10 parts per million. It is a facultative air breather; it uses a suprabranchial organ and a bifurcated ventral … See more

    Reproduction

    The northern snakehead can double its population in as little as 15 years. It reaches sexual maturity at age three or four, when it will be about 30 to 35 cm (1 ft 0 in – 1 ft 2 in) long. The eggs are fertilized externally; a female can … See more

    Subspecies

    Two subspecies have been recognized:
    • C. a. argus (Cantor, 1842) (Northern snakehead) China and Korea
    • C. a. warpachowskii Berg, 1909 (Amur snakehead) eastern Russia.… See more

     
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