the snakehead fish arrived in the us in 2002.
when did the snakehead fish arrive in the us?
2002
northern snakehead









































the northern snakehead ("channa argus") is a species of snakehead fish native to china, russia, north korea, and south korea, ranging from the amur river to hainan. it has been introduced to other regions, where it is considered invasive. in europe, the first report of the species was from czechoslovakia in 1956. in the united states, the fish is considered to be a highly invasive species. in a well-known incident, several were found in a pond in crofton, maryland, in june 2002, which led to major media coverage and two movies.









































section::::appearance.
northern snakehead
black snakehead









































the black snakehead ("channa melasoma") is a species of snakehead native to thailand, indonesia, malaysia, philippines, and singapore. this commercially important species reaches a length of . the black snakehead inhabits large to medium rivers that consists of acidic water and submerged roots. the black snakehead feeds on small animals and harmless to humans beings. snakehead fish have long, slender bodies with long dorsal and butt-centric balances. they have an extensive mouth and distending jaw with canine-like teeth. ]
black snakehead