Snakehead ( fish ) - wikipedia Snakehead ( fish ) For other uses, see Snakehead. Snakehead Northern snakehead, Channa argus Scientific classification Kingdom : Animalia Phylum : Chordata Subphylum : Vertebrata Class : Actinopterygii Order : Perciformes Suborder : Channoidei Family : Channidae Fowler, 1934 General Recent Channa Parachanna Fossil Anchichanna Eochanna 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. They breathe air with gills, which allows them to migrate short distances over land. They have supra branchial organs developing when they grow older, which is a primitive form of a labyrinth organ. The two extant genera are Channa in Asia and Parachanna in Africa, consisting of about 40 species. They are valuable as a food source and have become notorious as an intentionally released invasive species. Contents 1 Description 2 History 3 Ecological concerns 3.1 Intentional introductions 3.2 Reported sightings 3.2. 1 In the United States 3.2. 1.1 World record 4 As food 5 Classification 6 In popular culture 7 See also 8 References 9 External links Description The various species of snakeheads differ greatly in size. Dwarf snakeheads, such as Channa gachua, 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. Snakeheads are thrust - feeders that consume plankton, aquatic insects, and mollusks when small. As adults, they mostly feed on other fish ( such as carp ) or on frogs. In rare cases, small mammals such as rats are eaten. History The Channidae are well represented in the fossil record and known from numerous specimens. Research indicates snakeheads likely originated in the south Himalayan region of the Indian Subcontinent ( modern - day northern India and eastern Pakistan ) at least 50 million years ago ( Mya ), during the Early Eocene epoch. Two of the earliest known species, Eochanna chorlakkiensis Roe 1991 and Anchichanna kuldanensis Murray & Thewissen, 2008, have both been found in the Middle Eocene of Pakistan. By 17 Mya, during the Early Miocene, Channidae had spread into western and central Eurasia, and by 8 Mya, during the late Tortonian, they could be found throughout Africa and East Asia. As Channidae are adapted to climates of high precipitation with mean temperatures of 20 ° C ( 68 ° F ), their migrations into Europe and Asia correspond to the development of the Intertropical Convergence Zone, which increased air humidity, and the intensification of the East Asian monsoon, respectively. Both weather patterns emerged due to greater vertical growth of the Alps, Pyrenees, and Himalayas, which affected Eurasian climatic patterns. Ecological concerns Snakehead murrel, Channa striata, Java, Indonesia Snakeheads can become invasive species and cause ecological damage because in many areas to which they are not native the absence of natural enemies gives them apex predator status. Not only can they breathe air, but they can also survive on land for up to four days, provided they are wet, and are known to migrate up to 400 metres ( 1 / 4 mile ) on wet land to other bodies of water by wriggling with their body and fins. National Geographic has referred to snakeheads as `` Fishzilla '' and the National Geographic Channel reported the `` northern snakehead reaches sexual maturity by age two or three. Each spawning - age female can release up to 15,000 eggs at once. Snakeheads can mate as often as five times a year. This means in just two years, a single female can release up to 150,000 eggs. '' `` Since 2002, it has been illegal to possess a live snakehead in many US states, where they are considered a destructive invasive species. '' Virginia has criminalized the `` introduc ( tion ) '' of snakeheads into the state without specific authorization, although the relevant statute does not explain whether mere importation is sufficient to constitute `` introduc ( tion ) into the Commonwealth '' or whether instead release into the environment is required. Intentional introductions Humans have been introducing snakeheads to nonindigenous waters for over 100 years. In parts of Asia and Africa, the snakehead is considered a valuable food fish, and is produced in aquacultures ( fisheries motivation ) or by ignorance ( as was the case in Crofton, Maryland ). Some examples of the introduction of snakeheads to nonindigenous waters include : Channa maculata was introduced to Madagascar and to Hawaii around the end of the 19th century. It can still be found there today. Channa striata was introduced to islands east of the Wallace line by governmental programs in the latter half of the 20th century. In Fiji, the introduction failed. Channa asiatica, which is native to southern China, was introduced to Taiwan and to southern Japan ; the origin of and reason for the introduction are unknown. Channa argus, which is native to northern China ( Amur River ), was introduced to central Asia ( Kazakhstan, Turkmenistan, Uzbekistan ). It was introduced from Korean Peninsula to Japan about 100 years ago due to fisheries motivations. Its introduction to Czechoslovakia by the government in the 1960s failed. Reported sightings In the United States Snakeheads became a national news topic in the United States because of the appearance of Channa argus, commonly known as northern snakeheads, spawning in a Crofton, Maryland, pond in 2002. Northern snakeheads became permanently established in the Potomac River around 2004 ; and possibly established in Florida. in approximately 120 miles ( 190 km ) of river, the population has surpassed 21,000 individuals. According to the United States Environmental Protection Agency, snakeheads have also been spotted in California, Delaware, Florida, Hawaii, Maine, Maryland, Massachusetts, and Rhode Island. In particular, the bullseye snakehead ( Channa marulius ) has become a major problem throughout South Florida, growing larger than 14 pounds ( 6.4 kg ). World record According to the International Game Fish Association, Caleb Newton, a Spotsylvania County, Virginia resident, caught a world record 17 pound, 6 ounce northern snakehead at the junction of Aquia Creek and the Potomac River on June 1, 2013. The previous record, two ounces smaller, had been caught in 2004 in Miki, Kagawa, Japan. The bowfin, a living fossil not to be confused with the snakehead As food Snakeheads are considered valuable food fish. Called nga yant in Burmese, it is a prized fish eaten in a variety of ways. In Vietnam, they are called ca loc, ca qua, or ca chuoi ; it is prized in clay pot dishes and pickled preparations. Larger species, such as Channa striata, Channa maculata, and Parachanna obscura, are farmed in aquaculture. In the United States, chefs have suggested controlling the snakehead invasion by serving them in restaurants. In Indonesia, snakehead fish are called ikan gabus, served as the main parts of traditional dishes such as Betawi 's pucung gabus, and considered to be a delicacy due to their rarity in wild and aquaculture, as they are harder to raise than other popular freshwater fish such as catfish and carp. Channa pleurophthalma Classification The snakeheads comprise two extant genera : Channa ( 36 species native to Asia ) Parachanna ( four African species, including one only known from fossil remains ) Two other genera are only known from fossils : † Anchichanna ( one species ) † Eochanna ( one species ) In popular culture After its release in non-native North American waters, either accidentally or intentionally, the aggressive and predator - free snakehead 's reputation as a `` Frankenfish '' or `` monster fish '' has become part of the culture Besides mentions on TV shows such as The Sopranos, the snakehead has been featured in three Sci - fi Channel original pictures entitled Snakehead Terror, Frankenfish, and Swarm of the Snakehead. In the Animal Planet TV series River Monsters, Jeremy Wade shows a dramatization of a snakehead, `` the fish from hell '', stalking an unsuspecting baby and Chihuahua. With the help of a snakehead researcher, however, Wade shows that although it is capable of living outside of water and is able to move on land, its weak pectoral muscles make movement difficult and render the snakehead an unlikely `` stalker '' on land. See also Amphibious fish References Notes ^ Jump up to : Murray, A.M. & Thewissen, J.G.M. ( 2008 ) : Eocene actinopterygian fishes from Pakistan, with the description of a new genus and species of channid ( channiformes ). Journal of Vertebrate Paleontology, 28 ( 1 ) : 41 - 52 Jump up ^ Pinter, H. ( 1986 ). Labyrinth Fish. Barron 's Educational Series, Inc., ISBN 0 - 8120 - 5635 - 3. Jump up ^ Froese, Rainer, and Daniel Pauly, eds. ( 2014 ). Species of Channa in FishBase. June 2014 version. Jump up ^ Roe, L.J. ( 1991 ) : Phylogenetic and Ecological Significance of Channidae ( Osteichthyes Teleostei ) from the Early Eocene Kuldana Formation of Kohat, Pakistan. Contributions From The Museum Of Paleontology, The University Of Michigan, VOL. 28, NO. 5, PP. 93 - 10 ^ Jump up to : Böhme, Madelaine ( May 2004 ). `` Migration history of air - breathing fishes reveals Neogene atmospheric circulation patterns ''. Geology. 32 ( 5 ) : 393 -- 396. doi : 10.1130 / G20316. 1. Retrieved 2008 - 07 - 09. Jump up ^ Cruz, Elena ( 2007 - 12 - 03 ). `` Snakehead Frenzy ! ''. NGC Blog. National Geographic Channel. Jump up ^ `` Fishzilla : Snakehead Invasion ''. Wild. National Geographic Channel. Archived from the original on 2008 - 05 - 15. Video clip titled : `` The Northern Snakehead fish wreaks havoc ''. ^ Jump up to : Courtenay, Jr., Walter R. and James D. Williams. USGS Circular 1251 : Snakeheads ( Pisces, Chinnidae ) - A Biological Synopsis and Risk Assessment. U.S. Department of the Interior, U.S. Geological Survey. 2004 - 04 - 01. Retrieved 2012 - 04 - 16. Jump up ^ Code of Virginia § 18.2 - 313.2 : `` Any person who knowingly introduces into the Commonwealth any snakehead fish of the family Channidae (... ) without a permit from the Director of Game and Inland Fisheries (... ) is guilty of a Class 1 misdemeanor ( punishable by up to twelve months in jail and / or a fine of up to $2,500 ). '' Jump up ^ Potomac snakeheads not related to others Associated Press, Baltimore Sun, 27 April 2007. Jump up ^ 2016, Brian Clark Howard PUBLISHED Thu Mar 17 07 : 00 : 00 EDT. `` Fishermen Battle Invasive ' Frankenfish ' Snakeheads ''. National Geographic News. Retrieved 2016 - 03 - 18. Jump up ^ `` History of introduction in the United States : Four species of snakeheads ( Channa argus, C. marulius, C. micropeltes, and C. striata ) have been recorded from open waters of the United States ( California, Florida, Hawaii, Maine, Maryland, Massachusetts, and Rhode Island ), and two have become established as reproducing populations. '' Injurious Wildlife Species ; Snakeheads Environmental Protection Agency. Retrieved 17 February 2008. Jump up ^ Southern Fin ( 2014 ). `` Bullseye Snakehead Fish aka `` Frankenfish '' '' ( Blog ). www.southernfinapparel.com. Southern Fin. p. 1. Retrieved 24 September 2014. Jump up ^ By RUSTY DENNEN THE FREE LANCE -- STAR 6 August 2013 http://news.fredericksburg.com/newsdesk/2013/08/06/local-mans-snakehead-catch-is-world-record/ Jump up ^ `` Chefs ' solution for invading ' Frankenfish ' ? Eat ' em ''. News.msn.com. Retrieved 2014 - 03 - 20. Jump up ^ `` B.C. 's snakehead caught after Burnaby pond drained. CBC News ( Posted : June 8, 2012 ) ''. Cbc.ca. 2012 - 06 - 08. Retrieved 2014 - 03 - 20. Jump up ^ `` The Ultimate Monster Fish : The Frankenfish Snakehead '', Carina Suarez, 28 July 2014, National Geographic Jump up ^ `` Soprano Home Movies '' episode 13, season 6, The Sopranos, 8 April 2007, HBO Jump up ^ http://animal.discovery.com/fish/river-monsters/giant-snakehead/ Sources Froese, Rainer, and Daniel Pauly, eds. ( 2006 ). `` Channidae '' in FishBase. January 2006 version. `` Channidae ''. Integrated Taxonomic Information System. Retrieved 20 March 2006. External links Wikimedia Commons has media related to Channa striata. Wikispecies has information related to : Channidae Snakeheads -- A Biological Synopsis and Risk Assessment published by the U.S. Geological Survey About. com 's article on Snakeheads snakeheads.org world 's largest website for snakeheads Overview of Northern Snakehead biology Fish or Foul : Snakeheads near Washington, D.C., and the people who love them Retrieved from `` https://en.wikipedia.org/w/index.php?title=Snakehead_(fish)&oldid=808706243 '' Categories : Channidae Fish of China Fish of Indonesia Fish of Taiwan Fish of Kazakhstan Fish of Turkmenistan Fish of Uzbekistan Freshwater edible fish Invasive fish species Extant Eocene first appearances Hidden categories : Articles with ' species ' microformats Commons category with local link different than on Wikidata Talk Contents About Wikipedia Wikispecies Alemannisch বাংলা Català Cebuano Čeština Deutsch Diné bizaad Español Euskara فارسی Français गोंयची कोंकणी / Gõychi Konknni 한국어 Italiano עברית Kapampangan Қазақша Кыргызча Lietuvių മലയാളം Nederlands 日本 語 Norsk Norsk nynorsk Oʻzbekcha / ўзбекча Polski Português Русский Suomi Svenska Tagalog ไทย Українська Tiếng Việt Winaray 粵語 中文 Edit links This page was last edited on 4 November 2017, at 16 : 32. 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Question: when did the snakehead fish arrive in the us
Answer: 2002