Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Arthropoda > Subphylum Crustacea > Superclass Multicrustacea > Class Copepoda > Infraclass Neocopepoda > Superorder Podoplea > Order Siphonostomatoida > Family Caligidae > Genus Caligus

Caligus elongatus von Nordmann, 1832

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Caligus*	Müller O.F., 1785	accepted genus name
*Caligopsis*	Markevich, 1940	junior homonym
*Scienophilus*	Beneden, 1852	orthographic variant
*Markevichus*	Özdikmen, 2008	synonym
*Pseudocaligus*	Scott A., 1901	synonym
*Sciaenophilus*	Beneden, 1852	synonym

Species group names

*Caligus guerini*	Guiart, 1913	synonym
*Caligus leptochilus*	Leuckart in Frey & Leuckart, 1847	synonym

Literature

original description	von Nordmann, A. (1832). Mikrographische Beiträge zur Naturgeschichte der wirbellosen Thiere. [Micrographic contributions to the natural history of invertebrates.]. Zweites Heft. Mit zehn Kupfertafeln, G. Reimer, Berlin. XVIII:1-150, plates I-X.
basis of record	Boxshall, G. (2001). Copepoda (excl. Harpacticoida), in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 252-268
additional source	Hogans, W.E. (1993). Guide to common external parasites of fishes of the Canadian Atlantic: I. Crustacea: Isopoda, Amphipoda, Brachiura & Copepoda. ARC Species ID Leaflet #93-01-INV.
additional source	Muxagata, E.M. & J.A. Williams. (2004). The Mesozooplankton of the Solent-Southampton Water system: a photographic guide. Southampton Oceanography Centre, Southampton, U.K. 103 pp.
additional source	Piasecki, W. (1996). The developmental stages of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae). Canadian Journal of Zoology 74(8): 1459-1478.
additional source	Integrated Taxonomic Information System (ITIS).
additional source	Kabata, Z. (1979). Parasitic Copepoda of British Fishes. The Ray Society, London. 152: i-xii, 1-468, figs. 1-203.
additional source	Ramakrishnan, P. (1980). Revision of the Caligidae (Copepoda) with special reference to the Indian fauna. Ph.D. Thesis, University of Kerala 400pp. + 15 plates.
additional source	Agusti-Ridaura, C., L.A. Hamre, P.G. Espedal, O. Oines, T.E. Horsberg & K. Kaur. (2019). First report on sensitivity of Caligus elongatus towards anti-louse chemicals and identification of mitochondrial cytochrome C oxidase I genotypes. Aquaculture. 507:190-195.
additional source	Gusev, A.V. (1987). Class Crustacea Lamarck, 1801. In: Bauer, O.N. (ed.). Key to the Parasites of Freshwater Fishes of the USSR. Opredeliteli po Faune SSSR, Zoologicheskii Instituta SSSR. Nauka, Leningrad 3(149):378-432.
additional source	Tadros, S.W.A., A.K. El-Gayar & E.M. Abouelhassan. (2020). Prevalence of ecto- and endoparasites of the Sea bass Dicentrachus Labrax in Port Said Governorate, Egypt. Egyptian Journal of Aquatic Biology & Fisheries. 24(7): 629 – 643.
additional source	Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 pp.
additional source	Dollfus, R.P. (1971). Variation chez Caligus elongatus Al. von Nordmann 1832. [Variation of Caligus elongatus Al. von Nordmann 1832.]. Journal of Parasitology. 57(4)section2:47. Abstract.
additional source	Hewitt, G.C. (1971). Two species of Caligus (Copepoda, Caligidae) from Australian waters, with a description of some developmental stages. Pacific Science 25(2):145-164, figs. 1-78. (iv-1971)
additional source	Øvergård, A.C., A. Borchel , C. Eichner, S. Hjertaker, J. Nagata, H.M.D. Midtbø, P.A. Nelson, F. Nilsen & L.A. Hamre. (2025). The generalist Caligus elongatus is better at dampening the Atlantic salmon immune response than the salmonid specialist Lepeophtheirus salmonis. Fish and Shellfish Immunology. 160:1-15.
additional source	Cross, T.F. & S.P. Johnson. (1976). The parasitic copepod, Caligus elongatus Nordmann, 1832, on the bluefish, Pomatomus saltatrix (L. 1758): a first host record. Irish Naturalists' Journal 18(11):337. (vii-1976)
additional source	Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils. pp. 98-232 (COPEPODS 21 pp.).
redescription	Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22.
taxonomy source	Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22.

Genbank

Citation

Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Caligus elongatus von Nordmann, 1832. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:135754