WoRMS taxon details
Lepeophtheirus thompsoni Baird, 1850
135784 (urn:lsid:marinespecies.org:taxname:135784)
accepted
Species
Caligus branchialis of Steenstrup & Lütken, 1861 · unaccepted (synonym according to Kabata, 1979)
Caligus gracilis Beneden, 1851 · unaccepted
Caligus piscinus Guérin-Méneville, 1837 · unaccepted (Synonym according to van Beneden...)
Synonym according to van Beneden (1851) and numerous subsequent authors - see catalogue of Margolis et al., 1975
Lepeophtheirus branchialis (of Steenstrup & Lütken, 1861) · unaccepted (synonym according to Kabata, 1979)
Lepeophtheirus gibbus Krøyer, 1863 · unaccepted (synonym)
Lepeophtheirus gracilescens Krøyer, 1863 · unaccepted (synonym according to Kabata, 1979)
Lepeophtheirus gracilis Carus, 1885 · unaccepted (synonym according to Kabata, 1979)
Lepeophtheirus rhombi Krøyer, 1863 · unaccepted (synonym)
marine, brackish, fresh, terrestrial
Baird, W. (1850). The Natural History of the British Entomostraca. <em>Ray Society, London.</em> 364 pp, pls. 1-36. [details] 
Distribution British Isles; North Sea, western Baltic; western Mediterranean, Faroes
Distribution British Isles; North Sea, western Baltic; western Mediterranean, Faroes [details]
Walter, T.C.; Boxshall, G. (2026). World of Copepods Database. Lepeophtheirus thompsoni Baird, 1850. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=135784 on 2026-06-10
Date
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Nomenclature
original description
Baird, W. (1850). The Natural History of the British Entomostraca. <em>Ray Society, London.</em> 364 pp, pls. 1-36. [details]
original description (of Caligus branchialis of Steenstrup & Lütken, 1861) Steenstrup, J.J.S. & C.F. Lütken. (1861). Bidrag til kundskab om det aabne havs snyltekrebs og lernæer samt om nogle andre nye eller hidtil kun ufuldstændigt kjendte parasitiske Copepoder. [Contribution to knowledge about the open sea parasitic crabs and mud crabs and about some other new or hitherto only incompletely known parasitic Copepods.]. <em>Kongelige Danske Videnskabernes Selskabs Skrifter, Naturhistorisk og Mathematisk Afdeling, Kjöbenhavn.</em> (5)5: 343-432, pls. 1-15., available online at https://www.biodiversitylibrary.org/page/39308528 [details]
original description (of Caligus piscinus Guérin-Méneville, 1837) Guérin-Méneville, F.E. (1829 - 1843). Iconographie du régne animal de G. Cuvier. [Representation d'apres nature de l'une des especes les plus remarquables et souvent non encore figurees, de chaque genre d'animaux. [Iconography of the animal kingdom by G. Cuvier.]. <em>Planches des Animaux invertébrés. Zoophytes. 2. Crustacées. A. Londres publisher. (Publication began in 1829).</em> :1-48, [ Copepods pl. 35, This plate was published in 1837.]., available online at https://www.biodiversitylibrary.org/page/27813845 [details]
original description (of Lepeophtheirus gibbus Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Lepeophtheirus gracilis Carus, 1885) Carus, J.V. (1885). Prodromus Faunae Mediterraneae sive Descriptio Animalium maris Mediterranei incolarum quam comparata silva rerum quatenus innotiut adiectis et nominibus vulgaribus eorumque auctoribus in commodum zoologorum. Vol. I. Coelenterata, Echinodermata, Vermes, Arthropoda. [Prodrome of the Mediterranean Fauna, or a Description of the Animals of the Inhabitants of the Mediterranean Sea, as compared with a forest of things as far as unknown, with additions and common names and their authors for the benefit of zoologists. Vol. I. Coelenterata, Echinodermata, Worms, Arthropoda]. <em>E. Schweizerbartsche Verlagshandlung E. Koch, Stuttgart, i-xi, 1-525. pp.</em> (Copepoda pp. 318-378), (Annelida pp. 196-281), (Kinorhyncha pp. 184-185)., available online at https://biodiversitylibrary.org/page/12560479 [details]
original description (of Lepeophtheirus gracilescens Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Lepeophtheirus rhombi Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Caligus gracilis Beneden, 1851) Beneden, P.J. van. (1851). Recherches sur quelques Crustacés inférieurs. [Research on some lower Crustaceans.]. <em>Annales des Sciences Naturelles, Série Zoologie et Biologie Animale, Paris.</em> (3)16:71-131, pls. 2-6. (look up in IMIS) [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 branchialis of Steenstrup & Lütken, 1861) Steenstrup, J.J.S. & C.F. Lütken. (1861). Bidrag til kundskab om det aabne havs snyltekrebs og lernæer samt om nogle andre nye eller hidtil kun ufuldstændigt kjendte parasitiske Copepoder. [Contribution to knowledge about the open sea parasitic crabs and mud crabs and about some other new or hitherto only incompletely known parasitic Copepods.]. <em>Kongelige Danske Videnskabernes Selskabs Skrifter, Naturhistorisk og Mathematisk Afdeling, Kjöbenhavn.</em> (5)5: 343-432, pls. 1-15., available online at https://www.biodiversitylibrary.org/page/39308528 [details]
original description (of Caligus piscinus Guérin-Méneville, 1837) Guérin-Méneville, F.E. (1829 - 1843). Iconographie du régne animal de G. Cuvier. [Representation d'apres nature de l'une des especes les plus remarquables et souvent non encore figurees, de chaque genre d'animaux. [Iconography of the animal kingdom by G. Cuvier.]. <em>Planches des Animaux invertébrés. Zoophytes. 2. Crustacées. A. Londres publisher. (Publication began in 1829).</em> :1-48, [ Copepods pl. 35, This plate was published in 1837.]., available online at https://www.biodiversitylibrary.org/page/27813845 [details]
original description (of Lepeophtheirus gibbus Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Lepeophtheirus gracilis Carus, 1885) Carus, J.V. (1885). Prodromus Faunae Mediterraneae sive Descriptio Animalium maris Mediterranei incolarum quam comparata silva rerum quatenus innotiut adiectis et nominibus vulgaribus eorumque auctoribus in commodum zoologorum. Vol. I. Coelenterata, Echinodermata, Vermes, Arthropoda. [Prodrome of the Mediterranean Fauna, or a Description of the Animals of the Inhabitants of the Mediterranean Sea, as compared with a forest of things as far as unknown, with additions and common names and their authors for the benefit of zoologists. Vol. I. Coelenterata, Echinodermata, Worms, Arthropoda]. <em>E. Schweizerbartsche Verlagshandlung E. Koch, Stuttgart, i-xi, 1-525. pp.</em> (Copepoda pp. 318-378), (Annelida pp. 196-281), (Kinorhyncha pp. 184-185)., available online at https://biodiversitylibrary.org/page/12560479 [details]
original description (of Lepeophtheirus gracilescens Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Lepeophtheirus rhombi Krøyer, 1863) Krøyer, H. (1863 - 1864). Bidrag til Kundskab om Snyltekrebsene. [Contribution to Knowledge of the Parasitic Copepods.]. <em>Naturhistorisk Tidsskrift.</em> Ser. III, 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Caligus gracilis Beneden, 1851) Beneden, P.J. van. (1851). Recherches sur quelques Crustacés inférieurs. [Research on some lower Crustaceans.]. <em>Annales des Sciences Naturelles, Série Zoologie et Biologie Animale, Paris.</em> (3)16:71-131, pls. 2-6. (look up in IMIS) [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]
Other
additional source
Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Brian, A. (1906). Descrizione di un Copepode parassita del pesce Rombo (Lepeophtheirus thompsoni Baird). [Description of a parasitic copepod of the turbot (Lepeophtheirus thompsoni Baird).]. <em>Rivista Italiana di Scienze Naturali, Sienna.</em> 26(11-12):125-127. (xi/xii-1906). [details]
additional source De Meeüs, T., A. Raibaut & F. Renaud. (1993). Speciation and specificity in parasitic copepods: caligids of the genus Lepeophtheirus, parasites of flatfishes in the Mediterranean. <em>In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc.,1-378.</em> :143-150. [details] Available for editors
[request]
additional source De Meeüs, T., A. Raibaut & F. Renaud. (1993). Comparative life history of two species of sea lice. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc.,1-378. :61-67. [details] Available for editors [request]
additional source De Meeüs, T., F. Renaud & C. Gabrion. (1990). A model for studying isolation mechanisms in parasite populations: the genus Lepeophtheirus (Copepoda, Caligidae). Journal of Experimental Zoology 245(2):207-214., available online at https://doi.org/10.1002/jez.1402540213 [details] Available for editors [request]
additional source Heegaard, P.E. (1945). Some parasitic copepods from fishes in the Uppsala University collections. Arkiv för Zoologi (A)35(18):1-27, figs. 1-54. (17-i-1945) [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 Markevich, A.P. (1956). Paraziticheskie veslonogie ryb SSSR. [Parasitic copepods of fishes of the USSR.]. <em>Akademiya Nauk Ukraine SSR, Institut Zoology, Kiev.</em> 259 pp. figs. 1-153. [details] Available for editors [request]
additional source Scott, T. & A. Scott. (1913). The British Parasitic Copepoda: Copepoda Parasitic on Fishes. <em>Ray Society, London.</em> Vol. 1: xi, 1-256 text; pls A-B, Vol. 2: xii, 72 pls. for taxa in Volume I., available online at https://www.biodiversitylibrary.org/page/910552 [details]
additional source 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)., available online at https://doi.org/10.5479/si.00963801.28-1404.479 [details]
additional source Zeddam, J.L., P. Berrebi, F. Renaud, A. Raibaud & C. Gabrion. (1988). Characterization of two species of Lepeophtheirus (Copepoda, Caligidae) from flatfishes. Description of Lepeophtheirus europaensis sp. nov. Parasitology, Cambridge 96(1):129-144., available online at https://doi.org/10.1017/s0031182000081713 [details] Available for editors [request]
additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41., available online at https://doi.org/10.5479/si.03629236.158.i [details] Available for editors [request]
additional source Brian, A. (1906). Descrizione di un Copepode parassita del pesce Rombo (Lepeophtheirus thompsoni Baird). [Description of a parasitic copepod of the turbot (Lepeophtheirus thompsoni Baird).]. <em>Rivista Italiana di Scienze Naturali, Sienna.</em> 26(11-12):125-127. (xi/xii-1906). [details]
additional source De Meeüs, T., A. Raibaut & F. Renaud. (1993). Speciation and specificity in parasitic copepods: caligids of the genus Lepeophtheirus, parasites of flatfishes in the Mediterranean. <em>In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc.,1-378.</em> :143-150. [details] Available for editors
[request]additional source De Meeüs, T., A. Raibaut & F. Renaud. (1993). Comparative life history of two species of sea lice. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc.,1-378. :61-67. [details] Available for editors
[request]additional source De Meeüs, T., F. Renaud & C. Gabrion. (1990). A model for studying isolation mechanisms in parasite populations: the genus Lepeophtheirus (Copepoda, Caligidae). Journal of Experimental Zoology 245(2):207-214., available online at https://doi.org/10.1002/jez.1402540213 [details] Available for editors
[request]additional source Heegaard, P.E. (1945). Some parasitic copepods from fishes in the Uppsala University collections. Arkiv för Zoologi (A)35(18):1-27, figs. 1-54. (17-i-1945) [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 Markevich, A.P. (1956). Paraziticheskie veslonogie ryb SSSR. [Parasitic copepods of fishes of the USSR.]. <em>Akademiya Nauk Ukraine SSR, Institut Zoology, Kiev.</em> 259 pp. figs. 1-153. [details] Available for editors
[request]additional source Scott, T. & A. Scott. (1913). The British Parasitic Copepoda: Copepoda Parasitic on Fishes. <em>Ray Society, London.</em> Vol. 1: xi, 1-256 text; pls A-B, Vol. 2: xii, 72 pls. for taxa in Volume I., available online at https://www.biodiversitylibrary.org/page/910552 [details]
additional source 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)., available online at https://doi.org/10.5479/si.00963801.28-1404.479 [details]
additional source Zeddam, J.L., P. Berrebi, F. Renaud, A. Raibaud & C. Gabrion. (1988). Characterization of two species of Lepeophtheirus (Copepoda, Caligidae) from flatfishes. Description of Lepeophtheirus europaensis sp. nov. Parasitology, Cambridge 96(1):129-144., available online at https://doi.org/10.1017/s0031182000081713 [details] Available for editors
[request]additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41., available online at https://doi.org/10.5479/si.03629236.158.i [details] Available for editors
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution British Isles; North Sea, western Baltic; western Mediterranean, Faroes [details]
To Barcode of Life (1 barcode)
To Biodiversity Heritage Library (18 publications)
To Biodiversity Heritage Library (6 publications) (from synonym Lepeophtheirus rhombi Krøyer, 1863)
To European Nucleotide Archive, ENA (Lepeophtheirus thompsoni)
To GenBank (2 nucleotides; 1 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Arthropoda Collection (6 records)
To ITIS
To Biodiversity Heritage Library (18 publications)
To Biodiversity Heritage Library (6 publications) (from synonym Lepeophtheirus rhombi Krøyer, 1863)
To European Nucleotide Archive, ENA (Lepeophtheirus thompsoni)
To GenBank (2 nucleotides; 1 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Arthropoda Collection (6 records)
To ITIS
From editor or global species database
Image from synonym
