WoRMS taxon details
Caligus elongatus von Nordmann, 1832
135754 (urn:lsid:marinespecies.org:taxname:135754)
accepted
Species
Caligus arcticus Brandes, 1956 · unaccepted (synonym)
Caligus guerini Guiart, 1913 · unaccepted > junior subjective synonym
Caligus kroyeri Milne Edwards, 1840 · unaccepted (synonym)
Caligus latifrons Wilson C.B., 1905 · unaccepted (synonym)
Caligus leptochilus Leuckart in Frey & Leuckart, 1847 · unaccepted (long treated as synonym of...)
long treated as synonym of Caligus rapax, probably synonym of C. elongatus
Caligus lumpi Krøyer, 1863 · unaccepted (synonym)
Caligus rabidus Leigh-Sharpe, 1936 · unaccepted (synonym)
Caligus rissoanus Milne Edwards, 1840 · unaccepted (synonym)
Caligus trachypteri Krøyer, 1863 · unaccepted (synonym)
marine, brackish, fresh, terrestrial
von Nordmann, A. (1832). Mikrographische Beiträge zur Naturgeschichte der wirbellosen Thiere. [Micrographic contributions to the natural history of invertebrates.]. <em>Zweites Heft. Mit zehn Kupfertafeln, G. Reimer, Berlin.</em> XVIII:1-150, plates I-X., available online at https://archive.org/details/mikrographische00nordgoog [details] 
Distribution cosmopolitan found in most regions of the world
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers.
Distribution cosmopolitan found in most regions of the world [details]
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers.
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers. [details]
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Caligus elongatus von Nordmann, 1832. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=135754 on 2025-04-01
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Nomenclature
original description
von Nordmann, A. (1832). Mikrographische Beiträge zur Naturgeschichte der wirbellosen Thiere. [Micrographic contributions to the natural history of invertebrates.]. <em>Zweites Heft. Mit zehn Kupfertafeln, G. Reimer, Berlin.</em> XVIII:1-150, plates I-X., available online at https://archive.org/details/mikrographische00nordgoog [details]
original description (of Caligus guerini Guiart, 1913) Guiart, J. (1913). Crustacés commensaux et parasites de la baie de Concarneau. [Commensal and parasitic crustaceans of Concarneau Bay.]. <em>Bulletin de l'Institut Océanographique, Monaco.</em> 264:1-10, figs. 1-2. (5-v-1913). [details]
original description (of Caligus leptochilus Leuckart in Frey & Leuckart, 1847) Frey, H. & R. Leuckart. (1847). Beiträge zur Kenntniss Wirbelloser Thiere mit Besonderer Berücksichtigung der Fauna des Norddeutschen Meeres. [Contributions to the knowledge of invertebrates with special reference to the fauna of the North German Sea.]. <em>In: Beiträge zur Kenntnis wirbelloser Thiere. Brunswick, Viehweg und Sohn, Braunschweig: Freidrich Vieweg und Sohn. Pp. 1-170, pls. 1, 2.</em> [pp. 110-130]. [:165, Caligus leptochillus]., available online at http://www.biodiversitylibrary.org/bibliography/2128
page(s): 165 [details]
original description (of Caligus arcticus Brandes, 1956) Brandes, C.H. (1956). Caligus arcticus n. sp., ein parasitischer Copepode auf Trachypterus arcticus Brünnich. [Caligus arcticus n. sp., a parasitic copepod on Trachypterus arcticus Brünnich.]. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 4(2):171-181, pls. 1-2. [details] Available for editors
[request]
original description (of Caligus latifrons Wilson C.B., 1905) Wilson, C.B. (1905). North American parasitic copepods belonging to the family Caligidae. Part 1.- The Caliginae. Proceedings of the United States National Museum 28(1404):479-672, pls. 5-29. (23-vi-1905). [details]
original description (of Caligus rabidus Leigh-Sharpe, 1936) Leigh-Sharpe, W.H. (1936). Some rare and new parasitic Copepoda, etc., from Brighton and elsewhere. Parasitology, Cambridge 28:410-413, figs. 1-2. (20-vii-1936) [details] Available for editors [request]
original description (of Caligus kroyeri Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus lumpi Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details]
original description (of Caligus rissoanus Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus trachypteri Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 252-268 (look up in IMIS) [details]
original description (of Caligus guerini Guiart, 1913) Guiart, J. (1913). Crustacés commensaux et parasites de la baie de Concarneau. [Commensal and parasitic crustaceans of Concarneau Bay.]. <em>Bulletin de l'Institut Océanographique, Monaco.</em> 264:1-10, figs. 1-2. (5-v-1913). [details]
original description (of Caligus leptochilus Leuckart in Frey & Leuckart, 1847) Frey, H. & R. Leuckart. (1847). Beiträge zur Kenntniss Wirbelloser Thiere mit Besonderer Berücksichtigung der Fauna des Norddeutschen Meeres. [Contributions to the knowledge of invertebrates with special reference to the fauna of the North German Sea.]. <em>In: Beiträge zur Kenntnis wirbelloser Thiere. Brunswick, Viehweg und Sohn, Braunschweig: Freidrich Vieweg und Sohn. Pp. 1-170, pls. 1, 2.</em> [pp. 110-130]. [:165, Caligus leptochillus]., available online at http://www.biodiversitylibrary.org/bibliography/2128
page(s): 165 [details]
original description (of Caligus arcticus Brandes, 1956) Brandes, C.H. (1956). Caligus arcticus n. sp., ein parasitischer Copepode auf Trachypterus arcticus Brünnich. [Caligus arcticus n. sp., a parasitic copepod on Trachypterus arcticus Brünnich.]. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 4(2):171-181, pls. 1-2. [details] Available for editors
[request]original description (of Caligus latifrons Wilson C.B., 1905) Wilson, C.B. (1905). North American parasitic copepods belonging to the family Caligidae. Part 1.- The Caliginae. Proceedings of the United States National Museum 28(1404):479-672, pls. 5-29. (23-vi-1905). [details]
original description (of Caligus rabidus Leigh-Sharpe, 1936) Leigh-Sharpe, W.H. (1936). Some rare and new parasitic Copepoda, etc., from Brighton and elsewhere. Parasitology, Cambridge 28:410-413, figs. 1-2. (20-vii-1936) [details] Available for editors
[request]original description (of Caligus kroyeri Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus lumpi Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details]
original description (of Caligus rissoanus Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus trachypteri Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 252-268 (look up in IMIS) [details]
Taxonomy
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. [details] Available for editors [request]
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. [details] Available for editors [request]
[request]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. [details] Available for editors
[request]Other
context source (BeRMS 2020)
Bio-environmental research group; Institute of Agricultural and Fisheries research (ILVO), Belgium; (2015): Zooplankton monitoring in the Belgian Part of the North Sea between 2009 and 2010. [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
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. [details]
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) [details]
additional source Dollfus, R.P. (1971). Variation chez Caligus elongatus Al. von Nordmann 1832. [Variation of Caligus elongatus Al. von Nordmann 1832.]. <em>Journal of Parasitology.</em> 57(4)section2:47. Abstract. [details] Available for editors [request]
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. [details] Available for editors [request]
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) [details] Available for editors [request]
additional source Kabata, Z. (1979). Parasitic Copepoda of British Fishes. <em>The Ray Society, London.</em> 152: i-xii, 1-468, figs. 1-203. [details] Available for editors [request]
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. [details] Available for editors [request]
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. [details] Available for editors [request]
additional source Piasecki, W. (1996). The developmental stages of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae). Canadian Journal of Zoology 74(8): 1459-1478. [details] Available for editors [request]
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. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors [request]
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. <em>Aquaculture.</em> 507:190-195., available online at https://doi.org/10.1016/j.aquaculture.2019.04.022 [details] Available for editors [request]
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. <em>Egyptian Journal of Aquatic Biology & Fisheries.</em> 24(7): 629 – 643. [details] Available for editors [request]
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. <em>Fish and Shellfish Immunology.</em> 160:1-15., available online at https://doi.org/10.1016/j.fsi.2025.110225 [details] Available for editors [request]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
[request]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. [details]
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) [details]
additional source Dollfus, R.P. (1971). Variation chez Caligus elongatus Al. von Nordmann 1832. [Variation of Caligus elongatus Al. von Nordmann 1832.]. <em>Journal of Parasitology.</em> 57(4)section2:47. Abstract. [details] Available for editors
[request]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. [details] Available for editors
[request]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) [details] Available for editors
[request]additional source Kabata, Z. (1979). Parasitic Copepoda of British Fishes. <em>The Ray Society, London.</em> 152: i-xii, 1-468, figs. 1-203. [details] Available for editors
[request]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. [details] Available for editors
[request]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. [details] Available for editors
[request]additional source Piasecki, W. (1996). The developmental stages of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae). Canadian Journal of Zoology 74(8): 1459-1478. [details] Available for editors
[request]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. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors
[request]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. <em>Aquaculture.</em> 507:190-195., available online at https://doi.org/10.1016/j.aquaculture.2019.04.022 [details] Available for editors
[request]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. <em>Egyptian Journal of Aquatic Biology & Fisheries.</em> 24(7): 629 – 643. [details] Available for editors
[request]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. <em>Fish and Shellfish Immunology.</em> 160:1-15., available online at https://doi.org/10.1016/j.fsi.2025.110225 [details] Available for editors
[request]additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution cosmopolitan found in most regions of the world [details]Taxonomic remark Two forms of C. elongatus have been identified using molecular markers. [details]
Unreviewed
Habitat ectoparasite found on Hippoglossus hippoglossus [details]
To Barcode of Life (15 barcodes)
To Biodiversity Heritage Library (2 publications) (from synonym Caligus guerini Guiart, 1913)
To Biodiversity Heritage Library (23 publications)
To Biodiversity Heritage Library (7 publications) (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To European Nucleotide Archive, ENA (Caligus elongatus)
To GenBank (41 nucleotides; 25 proteins) (from synonym Caligus guerini Guiart, 1913)
To PESI
To PESI (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To PESI (from synonym Caligus guerini Guiart, 1913)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Caligus latifrons Wilson C.B., 1905)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 42035) (from synonym Caligus latifrons Wilson C.B., 1905)
To ITIS
To Biodiversity Heritage Library (2 publications) (from synonym Caligus guerini Guiart, 1913)
To Biodiversity Heritage Library (23 publications)
To Biodiversity Heritage Library (7 publications) (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To European Nucleotide Archive, ENA (Caligus elongatus)
To GenBank (41 nucleotides; 25 proteins) (from synonym Caligus guerini Guiart, 1913)
To PESI
To PESI (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To PESI (from synonym Caligus guerini Guiart, 1913)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Caligus latifrons Wilson C.B., 1905)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 42035) (from synonym Caligus latifrons Wilson C.B., 1905)
To ITIS
From editor or global species database
