''Lepeophtheirus'' is a genus of

sea louse Sea lice (singular: sea louse) are copepods (small crustaceans) of the family Caligidae within the order Siphonostomatoida. They are marine ectoparasites (external parasites) that feed on the mucus, epidermal tissue, and blood of host fish. The ...

. The best-known species is ''L. salmonis'', the

salmon louse The salmon louse (''Lepeophtheirus salmonis'') is a species of copepod in the genus ''Lepeophtheirus''. It is a sea louse, a parasite living mostly on Salmonidae, salmon, particularly on Pacific and Atlantic salmon and sea trout, but is also some ...

. Other species include '' L. pectoralis'', which uses

flatfish A flatfish is a member of the Ray-finned fish, ray-finned demersal fish order (biology), order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the ...

as its host, particularly the

European flounder The European flounder (''Platichthys flesus'') is a flatfish of European coastal waters from the White Sea in the north to the Mediterranean and the Black Sea in the south. It has been introduced into the United States and Canada accidentally th ...

, and is also the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

of the genus ''Lepeophtheirus''.

Species

''Lepeophtheirus'' contains 122 species: *''

Lepeophtheirus acutus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Heegaard, 1943 *''

Lepeophtheirus aesopus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' C. B. Wilson, 1906 *''

Lepeophtheirus alvaroi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Suárez-Morales & Gasca, 2012 *'' Lepeophtheirus anguilli'' Hameed, 1976 *'' Lepeophtheirus appendiculatus'' Krøyer, 1863 *'' Lepeophtheirus argentus'' Hewitt, 1963 *'' Lepeophtheirus atypicus'' Lin ''et al.'', 1996 *'' Lepeophtheirus bagri'' Dana, 1849 *''

Lepeophtheirus bifidus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Fraser, 1920 *''

Lepeophtheirus bifurcatus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' C. B. Wilson, 1905 *'' Lepeophtheirus bonaci'' Pearse, 1952 *'' Lepeophtheirus brachyurus'' Heller, 1865 *'' Lepeophtheirus breviventris'' Fraser, 1920 *''

Lepeophtheirus bychowskyi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Gusev, 1951 *''

Lepeophtheirus chaenichthyis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' (Cunningham, 1871) *''

Lepeophtheirus chantoni ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Gusev, 1951 *''

Lepeophtheirus chilensis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' C. B. Wilson, 1905 *''

Lepeophtheirus clarionensis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Shiino, 1959 * ''

Lepeophtheirus confusum ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' González, Castro, Muñoz & López, 2016 *''

Lepeophtheirus constrictus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' C. B. Wilson, 1908 *''

Lepeophtheirus cossyphi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Krøyer, 1863 *''

Lepeophtheirus crabro ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Krøyer, 1863 *''

Lepeophtheirus crassus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' (Bere, 1936) *'' Lepeophtheirus cuneifer'' Kabata, 1974 *''

Lepeophtheirus curtus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' (C. B. Wilson, 1913) *'' Lepeophtheirus dissimulatus'' C. B. Wilson, 1905 *'' Lepeophtheirus distinctus'' Hewitt, 1963 *'' Lepeophtheirus edwardsi'' C. B. Wilson, 1905 *''

Lepeophtheirus elegans ''Lepeophtheirus elegans'' is a species of sea lice. Known fish hosts are the stichaeids '' Chirolophis japonicus'' and '' Pholidapus dybowskii'' from Russia, Japan and Korea, the pholid '' Pholis picta'' and the cottid ''Myoxocephalus brandtii ...

'' Gusev, 1951 *'' Lepeophtheirus eminens'' C. B. Wilson, 1944 *'' Lepeophtheirus epinepheli'' Ho & Dojiri, 1977 *'' Lepeophtheirus erecsoni'' G. M. Thomson, 1891 *''

Lepeophtheirus etelisi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Ho, Chiang & Lin, 2009 *'' Lepeophtheirus europaensis'' Zeddam ''et al.'', 1988 *''

Lepeophtheirus exilipes ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Ho & Lin, 2003 *'' Lepeophtheirus exsculptus'' Fischer, 1860 *'' Lepeophtheirus formosanus'' Ho & Lin, 2010 *''

Lepeophtheirus frecuens ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Castro-Romero & Baeza-Kuroki, 1984 *'' Lepeophtheirus furcatus'' (Capart, 1953) *''

Lepeophtheirus goniistii ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include ''Lepeophtheirus pectoralis, L. pectoralis'', which uses flatfish as its host, particularly the European floun ...

'' Yamaguti, 1936 *'' Lepeophtheirus grohmanni'' Krøyer, 1863 *''

Lepeophtheirus hapalogenyos ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Yamaguti& Yamasu, 1959 *'' Lepeophtheirus hastatus'' Shiino, 1960 *'' Lepeophtheirus heegaardi'' Hewitt, 1963 *'' Lepeophtheirus hexagrammi'' Gusev, 1951 *'' Lepeophtheirus hidekoi'' Ho, 1962 *'' Lepeophtheirus hippoglossi'' (Krøyer, 1837) *''

Lepeophtheirus histiopteridi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Kazachenko ''et al.'', 1972 *'' Lepeophtheirus hospitalis'' Fraser, 1920 *''

Lepeophtheirus hummi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Pearse, 1952 *'' Lepeophtheirus intercurreus'' Krøyer, 1863 *''

Lepeophtheirus interitus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' C. B. Wilson, 1921 *''

Lepeophtheirus kabatai ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Ho & Dojiri, 1977 *''

Lepeophtheirus kareii ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Yamaguti, 1936 *''

Lepeophtheirus krishnai ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Kaliyamurthy, 1990 *'' Lepeophtheirus lagocephali'' Pillai, 1963 *'' Lepeophtheirus lalandei'' Kensley & Grindley, 1973 *'' Lepeophtheirus lateolabraxi'' Shen, 1958 *''

Lepeophtheirus latigenitalis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Pillai & Natarajan, 1977 *'' Lepeophtheirus lewisi'' Hewitt, 1971 *'' Lepeophtheirus lichiae'' Barnard, 1948 *''

Lepeophtheirus litus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' (A. G. Lewis, 1964) *'' Lepeophtheirus longiabdominalis'' Shiino, 1961 *'' Lepeophtheirus longicaudus'' (Cressey, 1966) *'' Lepeophtheirus longipalpus'' Bassett-Smith, 1898 *'' Lepeophtheirus longipes'' C. B. Wilson, 1905 *''

Lepeophtheirus longispinosus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' C. B. Wilson, 1908 *'' Lepeophtheirus longiventralis'' Yü & Wu, 1932 *'' Lepeophtheirus marcepes'' C. B. Wilson, 1944 *'' Lepeophtheirus marginatus'' Bere, 1936 *'' Lepeophtheirus molvae'' Milne-Edwards, 1836 *'' Lepeophtheirus monacanthus'' Heller, 1865 *''

Lepeophtheirus mugiloidis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include ''Lepeophtheirus pectoralis, L. pectoralis'', which uses flatfish as its host, particularly the European floun ...

'' Villalba, 1986 *'' Lepeophtheirus muraenae'' Shiino, 1960 *'' Lepeophtheirus nanaimoensis'' C. B. Wilson, 1912 *''

Lepeophtheirus natalensis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Kensley & Grindley, 1973 *'' Lepeophtheirus nordmanni'' (Milne-Edwards, 1840) *'' Lepeophtheirus oblitus'' Kabata, 1973 *'' Lepeophtheirus palliatus'' (C. B. Wilson, 1905) *'' Lepeophtheirus paralichthydis'' Yamaguti & Yamasu, 1960 *'' Lepeophtheirus parvicruris'' Fraser, 1920 *'' Lepeophtheirus parviventris'' C. B. Wilson, 1905 *'' Lepeophtheirus parvulus'' Shiino, 1952 *'' Lepeophtheirus parvus'' C. B. Wilson, 1908 *'' Lepeophtheirus paulus'' Cressey, 1969 *''

Lepeophtheirus pectoralis ''Lepeophtheirus pectoralis'' is a species of Parasitism, parasitic copepod from the northeast Atlantic Ocean, and the type species of the genus ''Lepeophtheirus''. It is a parasite of flatfish, with the European flounder (''Platichthys flesus''), ...

'' (O. F. Müller, 1776) *''

Lepeophtheirus perpes ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Leigh-Sharpe, 1934 *''

Lepeophtheirus pharaonis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' (Nordmann, 1832) *'' Lepeophtheirus platensis'' Thomsen, 1949 *'' Lepeophtheirus plectropomi'' Nuñes-Ruivo, 1956 *'' Lepeophtheirus plotosi'' Barnard, 1948 *'' Lepeophtheirus pollachius'' Bassett-Smith, 1896 *'' Lepeophtheirus polyprioni'' Hewitt, 1963 *'' Lepeophtheirus pravipes'' C. B. Wilson, 1912 *'' Lepeophtheirus quadratus'' Krøyer, 1863 *''

Lepeophtheirus remiopsis ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Dojiri, 1979 *'' Lepeophtheirus renalis'' (Heegaard, 1945) *'' Lepeophtheirus rhinobati'' Luque ''et al.'', 1999 *'' Lepeophtheirus robustus'' Krøyer, 1863 *'' Lepeophtheirus rotundatus'' Brian, 1932 *'' Lepeophtheirus rotundipes'' Dojiri, 1979 *''

Lepeophtheirus rotundiventris ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Bassett-Smith, 1898 *''

Lepeophtheirus salmonis The salmon louse (''Lepeophtheirus salmonis'') is a species of copepod in the genus '' Lepeophtheirus''. It is a sea louse, a parasite living mostly on salmon, particularly on Pacific and Atlantic salmon and sea trout, but is also sometimes foun ...

'' (Krøyer, 1837) *'' Lepeophtheirus scutiger'' Shiino, 1952 *'' Lepeophtheirus sekii'' Yamaguti, 1936 *'' Lepeophtheirus selkirki'' Atria, 1969 *'' Lepeophtheirus semicossyphi'' Yamaguti, 1939 *'' Lepeophtheirus sheni'' Boxshall & Bellwood, 1981 *'' Lepeophtheirus shiinoi'' Prabha & Pillai, 1986 *''

Lepeophtheirus sigani ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Ho ''et al.'', 2004 *'' Lepeophtheirus simplex'' Ho ''et al.'', 2001 *'' Lepeophtheirus spatha'' Dojiri & Brantley, 1991 *'' Lepeophtheirus spinifer'' Kirtisinghe, 1937 *'' Lepeophtheirus sturionis'' (Krøyer, 1837) *'' Lepeophtheirus suhmi'' Brady, 1883 *'' Lepeophtheirus tenuis'' (Leidy, 1889) *'' Lepeophtheirus thompsoni'' Baird, 1850 *'' Lepeophtheirus tuberculatus'' I. H. Kim, 1993 *'' Lepeophtheirus uluus'' (A. G. Lewis, 1964) *''

Lepeophtheirus unispinosus ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Pearse, 1952 *''

Lepeophtheirus watanabei ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the type ...

'' Shiino, 1954 *'' Lepeophtheirus yanezi'' Stuardo & Fagetti, 1961 *''

Lepeophtheirus zbigniewi ''Lepeophtheirus'' is a genus of sea louse. The best-known species is ''L. salmonis'', the salmon louse. Other species include '' L. pectoralis'', which uses flatfish as its host, particularly the European flounder, and is also the typ ...

'' Castro-Romero & Baeza-Kuroki, 1981

References

Siphonostomatoida Copepod genera Parasitic crustaceans Taxa named by Alexander von Nordmann {{copepod-stub