{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T20:16:46Z","timestamp":1790713006954,"version":"4.1.0"},"reference-count":28,"publisher":"The Royal Society","issue":"2","license":[{"start":{"date-parts":[[2010,11,17]],"date-time":"2010-11-17T00:00:00Z","timestamp":1289952000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":["royalsocietypublishing.org"],"crossmark-restriction":true},"short-container-title":["Biol. Lett."],"published-print":{"date-parts":[[2011,4,23]]},"abstract":"<jats:p>Mucus performs numerous protective functions in vertebrates, and in fishes may defend them against harmful organisms, although often the evidence is contradictory. The function of the mucous cocoons that many parrotfishes and wrasses sleep in, while long used as a classical example of antipredator behaviour, remains unresolved. Ectoparasitic gnathiid isopods (Gnathiidae), which feed on the blood of fish, are removed by cleaner fish during the day; however, it is unclear how parrotfish and wrasse avoid gnathiid attacks at night. To test the novel hypothesis that mucous cocoons protect against gnathiids, we exposed the coral reef parrotfish<jats:italic>Chlorurus sordidus<\/jats:italic>(Scaridae) with and without cocoons to gnathiids overnight and measured the energetic content of cocoons. Fish without mucous cocoons were attacked more by gnathiids than fish with cocoons. The energetic content of mucous cocoons was estimated as 2.5 per cent of the fish's daily energy budget fish. Therefore, mucous cocoons protected against attacks by gnathiids, acting like mosquito nets in humans, a function of cocoons and an efficient physiological adaptation for preventing parasite infestation that is not used by any other animal.<\/jats:p>","DOI":"10.1098\/rsbl.2010.0916","type":"journal-article","created":{"date-parts":[[2010,11,18]],"date-time":"2010-11-18T01:26:43Z","timestamp":1290043603000},"page":"292-294","update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":54,"title":["Fish mucous cocoons: the \u2018mosquito nets\u2019 of the sea"],"prefix":"10.1098","volume":"7","author":[{"given":"Alexandra S.","family":"Grutter","sequence":"first","affiliation":[{"name":"School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer G.","family":"Rumney","sequence":"additional","affiliation":[{"name":"School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tane","family":"Sinclair-Taylor","sequence":"additional","affiliation":[{"name":"School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Waldie","sequence":"additional","affiliation":[{"name":"School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Craig E.","family":"Franklin","sequence":"additional","affiliation":[{"name":"School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"175","published-online":{"date-parts":[[2010,11,17]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00042888"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1023\/A:1013846816869"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00350928"},{"key":"e_1_3_2_5_2","first-page":"145","article-title":"Formation of a mucous envelope at night by parrot fishes","volume":"40","author":"Winn H. 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