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CaRMS taxon detailsGlaucus atlanticus Forster, 1777
140022 (urn:lsid:marinespecies.org:taxname:140022)
accepted
Species
marine,
Forster G. 1777. A voyage round the world in His Britannic Majesty's Sloop, Resolution, commanded by Capt. James Cook, during the years 1772, 3, 4 and 5. London, B. White, J. Robson, P. Elmsly and and G. Robinson. Vol. 1, pp. i-xviii, 1-602; vol. 2, pp. 1-607. , available online at http://www.dlib.si/details/URN:NBN:SI:doc-IFSE4BLP
page(s): vol. 1 p. 49 [details]
Description A distinctive, truly pelagic silvery blue mollusc, up to 6 cm long, with three pairs of arms. Floats upside-down just under...
Description A distinctive, truly pelagic silvery blue mollusc, up to 6 cm long, with three pairs of arms. Floats upside-down just under the sea surface, feeding on the colonial hydroids Physalia, Porpita and Velella. Habitat: offshore. Distribution: pantropical. N.B. must be handled with care as it can give an extremely painful sting, due to the nematocysts taken from the prey species Physalia, which itself gives a nasty sting. [details]
MolluscaBase eds. (2025). MolluscaBase. Glaucus atlanticus Forster, 1777. Accessed through: Nozères, C., Kennedy, M.K. (Eds.) (2025) Canadian Register of Marine Species at: https://www.marinespecies.org/carms/aphia.php?p=taxdetails&id=140022 on 2026-07-09
Nozères, C., Kennedy, M.K. (Eds.) (2026). Canadian Register of Marine Species. Glaucus atlanticus Forster, 1777. Accessed at: https://www.marinespecies.org/carms/aphia.php?p=taxdetails&id=140022 on 2026-07-09
Date action by
original description
Forster G. 1777. A voyage round the world in His Britannic Majesty's Sloop, Resolution, commanded by Capt. James Cook, during the years 1772, 3, 4 and 5. London, B. White, J. Robson, P. Elmsly and and G. Robinson. Vol. 1, pp. i-xviii, 1-602; vol. 2, pp. 1-607. , available online at http://www.dlib.si/details/URN:NBN:SI:doc-IFSE4BLP
page(s): vol. 1 p. 49 [details] context source (Bermuda) Jensen, R. H. (1997). A Checklist and Bibliography of the Marine Molluscs of Bermuda. Unp. , 547 pp [details] context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors  additional source Gosliner, T. et al. (2023). <i>Southern African Sea Slugs</i>. Southern Underwater Research Group Press, 7 Blackwood Drive, Hout Bay 7806, Cape Town, South Africa. page(s): 622 [details] additional source Breyn R.P. (1705). De plantis et insectis quibusdam rarioribus in Hispania observatis. <em>Philosophical Transactions.</em> 24 (1704 - 1705),: 2045-2055, pl. 1-2., available online at https://www.jstor.org/stable/103000 note: First mention ever (under the pre-Linnean name "Hirudo marina") of Glaucus atlanticus on the coast of Altea, eastern Spain [details] additional source Bieri, R. (1966). Feeding preferences and rates of the snail, <i>Ianthina prolongata</i>, the barnacle, <i>Lepas anserifera</i>, the nudibranchs, <i>Glaucus atlanticus</i> and <i>Fiona pinnata</i>, and the food web in the marine neuston. <em>Publications of the Seto Marine Biological Laboratory, Kyōto University.</em> 14(2): 161-170., available online at https://repository.kulib.kyoto-u.ac.jp/server/api/core/bitstreams/2e8f0225-a11f-42e1-b1cf-bcdd0cf4fe24/content [details] additional source Thompson, T. E. & McFarlane, I. D. (1967). Observations on a collection of <i>Glaucus</i> from the Gulf of Aden with a critical review of published records of Glaucidae (Gastropoda, Opisthobranchia). <em>Proceedings of the Linnean Society of London.</em> 178(2): 107-123., available online at https://doi.org/10.1111/j.1095-8312.1967.tb00967.x [details] Available for editors additional source Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. <em>in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> Canterbury University Press, Christchurch. [details]  additional source Rosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 <i>in:</i> Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas. [details] Available for editors additional source Gosliner, T. M. (1980 ["1979"]). The systematics of the Aeolidiacea (Nudibranchia: Mollusca) of the Hawaiian Islands, with descriptions of two new species. <em>Pacific Science.</em> 33(1): 37-77., available online at http://scholarspace.manoa.hawaii.edu/handle/10125/1455 [details] additional source Branch, G. M. (2002). Two Oceans. 5th impression. <em>David Philip, Cate Town & Johannesburg.</em> , available online at http://books.google.es/books?id=W_2QB8ftLgcC [details] additional source Thompson, T.E. & I. Bennett, 1969. Physalia nematocysts: utilized by mollusks for defense. Science 166 : 1532-1533., available online at https://doi.org/10.1126/science.166.3912.1532 [details] Available for editors additional source Gosliner, T. (1987). Nudibranchs of Southern Africa: A Guide to Opisthobranch Molluscs of Southern Africa. Sea Challengers, Monterey, California. , available online at https://doi.org/10.1163/9789004631496 page(s): 127. [details] redescription Valdés A. & Campillo O.A. (2004) Systematics of pelagic aeolid nudibranchs of the family Glaucidae (Mollusca, Gastropoda). <i>Bulletin of Marine Science</i> 75(3): 381–389., available online at http://www.ingentaconnect.com/content/umrsmas/bullmar/2004/00000075/00000003/art00003 [details] status source Churchill C.K.C., Alejandrino, A. Valdés, Á. & Ó Foighil, D. (2013). Parallel changes in genital morphology delineate cryptic diversification of plamktonik nudibranchs. <i>Proceedings of the Royal Society B</i> 280: 20131224, available online at https://royalsocietypublishing.org/doi/epdf/10.1098/rspb.2013.1224 [details]  Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Description A distinctive, truly pelagic silvery blue mollusc, up to 6 cm long, with three pairs of arms. Floats upside-down just under the sea surface, feeding on the colonial hydroids Physalia, Porpita and Velella. Habitat: offshore. Distribution: pantropical. N.B. must be handled with care as it can give an extremely painful sting, due to the nematocysts taken from the prey species Physalia, which itself gives a nasty sting. [details]
To Barcode of Life (140 barcodes)
To Biodiversity Heritage Library (104 publications) To Biological Information System for Marine Life (BISMaL) To European Nucleotide Archive, ENA (Glaucus atlanticus) To GenBank (208 nucleotides; 146 proteins) To PESI To Sea Slug Forum (via archive.org) To USNM Invertebrate Zoology Mollusca Collection To Wikipedia To ITIS From editor or global species database
 Unreviewed
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