WoRMS taxon details
Cymothoa Fabricius, 1793
118409 (urn:lsid:marinespecies.org:taxname:118409)
accepted
Genus
Oniscus oestrum Linnaeus, 1758 accepted as Cymothoa oestrum (Linnaeus, 1758) (type by subsequent designation)
- Species Cymothoa asymmetrica Pillai, 1954
- Species Cymothoa borbonica Schioedte & Meinert, 1884
- Species Cymothoa brasiliensis Schioedte & Meinert, 1884
- Species Cymothoa bychowskyi Avdeev, 1979
- Species Cymothoa carangii Avdeev, 1979
- Species Cymothoa catarinensis Thatcher, Loyola e Silva, Jost & Souza-Conceiçao, 2003
- Species Cymothoa curta Schiödte & Meinert, 1884
- Species Cymothoa dufresni Leach, 1818
- Species Cymothoa elegans Bovallius, 1885
- Species Cymothoa epimerica Avdeev, 1979
- Species Cymothoa eremita (Brünnich, 1783)
- Species Cymothoa excisa Perty, 1833
- Species Cymothoa exigua Schioedte & Meinert, 1884
- Species Cymothoa eximia Schioedte & Meinert, 1884
- Species Cymothoa frontalis H. Milne Edwards, 1840
- Species Cymothoa gadorum Brocchi, 1875
- Species Cymothoa gerris Schioedte & Meinert, 1884
- Species Cymothoa gibbosa Gourret, 1891
- Species Cymothoa globosa Schiödte & Meinert, 1884
- Species Cymothoa guadeloupensis Fabricius, 1793
- Species Cymothoa hermani Hadfield, Bruce & Smit, 2011
- Species Cymothoa ianuarii Schioedte & Meinert, 1884
- Species Cymothoa ichtiola Bosc, 1801
- Species Cymothoa indica Schioedte & Meinert, 1884
- Species Cymothoa liannae Sartor & Pires, 1988
- Species Cymothoa nigropunctata Risso, 1816
- Species Cymothoa oestrum (Linnaeus, 1758)
- Species Cymothoa parupenei Avdeev, 1979
- Species Cymothoa plebeia Schioedte & Meinert, 1884
- Species Cymothoa propria Avdeev, 1979
- Species Cymothoa pulchrum Lanchester, 1902
- Species Cymothoa recifea Thatcher & Fonseca, 2005
- Species Cymothoa recta Dana, 1853
- Species Cymothoa rhina Schioedte & Meinert, 1884
- Species Cymothoa rotunda Avdeev, 1979
- Species Cymothoa scopulorum (Linnaeus, 1758)
- Species Cymothoa selari Avdeev, 1978
- Species Cymothoa slusarskii Rokicki, 1986
- Species Cymothoa sodwana Hadfield, Bruce & Smit, 2013
- Species Cymothoa spinipalpa Thatcher, de Arujo, de Lima & Chellapa, 2007
- Species Cymothoa truncata Schioedte & Meinert, 1884
- Species Cymothoa vicina Hale, 1926
- Species Cymothoa albicornis Fabricius, 1793 accepted as Anilocra physodes (Linnaeus, 1758) (unaccepted > junior subjective synonym)
- Species Cymothoa americana Fabricius, 1793 accepted as Idotea americana (Fabricius, 1793) (unaccepted > superseded combination)
- Species Cymothoa amurensis Gerstfeldt, 1858 accepted as Ichthyoxenos amurensis (Gerstfeldt, 1858) (basionym)
- Species Cymothoa audouini H. Milne Edwards, 1840 accepted as Emetha audouini (H. Milne Edwards, 1840) (basionym)
- Species Cymothoa banksii Leach, 1818 accepted as Ceratothoa banksii (Leach, 1818) (basionym)
- Species Cymothoa bivittata Risso, 1816 accepted as Nerocila bivittata (Risso, 1816) (basionym)
- Species Cymothoa bopyroides Lesueur, 1814 accepted as Ourozeuktes bopyroides (Lesueur, 1814)
- Species Cymothoa brachyura White, 1847 accepted as Ceratothoa brachyura (White, 1847)
- Species Cymothoa brongniartii Risso, 1816 accepted as Nerocila brongniartii (Risso, 1816) (unaccepted > superseded combination)
- Species Cymothoa caraibica Bovallius, 1885 accepted as Cymothoa oestrum (Linnaeus, 1758) (unaccepted > junior subjective synonym)
- Species Cymothoa carinata Bianconi, 1869 accepted as Ceratothoa carinata (Bianconi, 1869) (basionym)
- Species Cymothoa carryensis Gourret, 1891 accepted as Livoneca sinuata Koelbel, 1879 accepted as Elthusa sinuata (Koelbel, 1879) (unaccepted > junior subjective synonym)
- Species Cymothoa cinerea Bal & Joshi, 1959 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa contracta White, 1847 accepted as Ceratothoa contracta (Miers, 1880) (nomen nudum)
- Species Cymothoa directa Otto, 1821 accepted as Cymothoa parallela Otto, 1828 accepted as Ceratothoa parallela (Otto, 1828) (unaccepted > nomen oblitum)
- Species Cymothoa edwardsii Bleeker, 1857 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa emarginata Fabricius, 1793 accepted as Idotea emarginata (Fabricius, 1793) (superseded original combination)
- Species Cymothoa gaudichaudii H. Milne Edwards, 1840 accepted as Ceratothoa gaudichaudii (H. Milne Edwards, 1840) (unaccepted > superseded combination)
- Species Cymothoa henselii von Martens, 1869 accepted as Telotha henselii (von Martens, 1869) (unaccepted > superseded combination)
- Species Cymothoa impressa Say, 1818 accepted as Glossobius impressus (Say, 1818) (basionym)
- Species Cymothoa irregularis Bleeker, 1857 accepted as Enispa irregularis (Bleeker, 1857) accepted as Smenispa irregularis (Bleeker, 1857) (unaccepted > superseded combination)
- Species Cymothoa krishnai Jayadev Babu & Sanjeeva Raj, 1984 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa lanceolata Say, 1818 accepted as Nerocila lanceolata (Say, 1818) (basionym)
- Species Cymothoa lignora Rathke, 1799 accepted as Limnoria lignorum (Rathke, 1799) (unaccepted > superseded combination)
- Species Cymothoa lignorum Rathke, 1799 accepted as Limnoria lignorum (Rathke, 1799) (unaccepted > superseded combination)
- Species Cymothoa limbata Schioedte & Meinert, 1884 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa marginata Bleeker, 1857 accepted as Anilocra marginata (Bleeker, 1857) (unaccepted > superseded combination)
- Species Cymothoa Mathieui Leach, 1818 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa Mathoei Leach, 1818 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > misspelling - incorrect subsequent spelling, misspelling of Matthieui by H, Milne Edwards, 1840 and others)
- Species Cymothoa oculata Say, 1818 accepted as Aegathoa oculata (Say, 1818) (basionym)
- Species Cymothoa ovalis Say, 1818 accepted as Livoneca ovalis (Say, 1818)
- Species Cymothoa paradoxa Haller, 1880 accepted as Enispa irregularis (Bleeker, 1857) accepted as Smenispa irregularis (Bleeker, 1857)
- Species Cymothoa parallela Otto, 1828 accepted as Ceratothoa parallela (Otto, 1828) (unaccepted > superseded combination)
- Species Cymothoa parasita de Saussure, 1857 accepted as Cymothoa excisa Perty, 1833 (unaccepted > junior subjective synonym)
- Species Cymothoa rhinoceros Bleeker, 1857 accepted as Argathona rhinoceros (Bleeker, 1857) (unaccepted > superseded combination)
- Species Cymothoa rosacea Risso, 1816 accepted as Aega rosacea (Risso, 1816) (unaccepted > superseded combination)
- Species Cymothoa stromatei Bleeker, 1857 accepted as Cymothoa eremita (Brünnich, 1783) (unaccepted > junior subjective synonym)
- Species Cymothoa swainsoni (Leach, 1818) accepted as Cirolana cranchii Leach, 1818 (unaccepted > junior subjective synonym)
- Species Cymothoa trigonocephala Leach, 1818 accepted as Ceratothoa trigonocephala (Leach, 1818) (basionym)
- Species Cymothoa laticauda Milne Edwards, 1840 (uncertain > nomen dubium)
- Species Cymothoa ricinoides Risso, 1816 (uncertain > nomen dubium, Credited to Lamarck by Risso but not a Lamark name)
- Species Cymothoa rotundifrons Haller, 1880 (uncertain > nomen dubium)
marine, brackish, fresh, terrestrial
Fabricius, J.C. (1793). Entomologia Systematica Emendata et Aucta. Secundum Classes, Ordines, Genera, Species Adjectis Synonimis, Locis, Observationibus, Descriptionibus. [Improved and Enhanced Systematic Entomology. According to the Classes, Orders, Genera, Species Adjacent Synonyms, Localities, Observations, and Descriptions.]. <em>Proft, Christian Gottlob (Kopenhagen) , Hafniae.</em> 2: i-viii + 1-519., available online at https://doi.org/10.5962/bhl.title.36532 [details] 
Boyko, C.B.; Bruce, N.L.; Hadfield, K.A.; Merrin, K.L.; Ota, Y.; Poore, G.C.B. (Eds) (2025). World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Cymothoa Fabricius, 1793. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=118409 on 2025-04-03
Date
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Nomenclature
original description
Fabricius, J.C. (1793). Entomologia Systematica Emendata et Aucta. Secundum Classes, Ordines, Genera, Species Adjectis Synonimis, Locis, Observationibus, Descriptionibus. [Improved and Enhanced Systematic Entomology. According to the Classes, Orders, Genera, Species Adjacent Synonyms, Localities, Observations, and Descriptions.]. <em>Proft, Christian Gottlob (Kopenhagen) , Hafniae.</em> 2: i-viii + 1-519., available online at https://doi.org/10.5962/bhl.title.36532 [details] 
basis of record van der Land, J. (2001). Isopoda - excluding Epicaridea, <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. 315-321 (look up in IMIS) [details]
basis of record van der Land, J. (2001). Isopoda - excluding Epicaridea, <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. 315-321 (look up in IMIS) [details]
Other
context source (PeRMS)
Luque, J.L., C. Cruces, J. Chero, F. Paschoal, P.V. Alves, A.C. Silva, L. Sanchez & J. Iannacone. (2016). Checklist of metazoan parasites of fishes from Peru. Lista de verificación de los metazoos parásitos de peces de Perú. <em>Neotropical Helminthology.</em> 10(2), jul-dic: 301-375. [details] Available for editors
[request]
additional source Schotte, M., B.F. Kensley & S. Shilling. (1995 onwards). World list of Marine, Freshwater and Terrestrial Crustacea Isopoda. National Museum of Natural History Smithsonian Institution: Washington D.C., USA - no longer online. [website archived on 2018-01-25]. [details]

additional source Schotte, M., B.F. Kensley & S. Shilling. (1995 onwards). World list of Marine, Freshwater and Terrestrial Crustacea Isopoda. National Museum of Natural History Smithsonian Institution: Washington D.C., USA - no longer online. [website archived on 2018-01-25]. [details]



