{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,12]],"date-time":"2025-09-12T17:52:52Z","timestamp":1757699572333,"version":"3.38.0"},"reference-count":41,"publisher":"Walter de Gruyter GmbH","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Behav"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>Cannibalism provides energetic benefits but is also potentially costly, especially when directed towards kin. Since fitness costs increase with time and energy invested in offspring, cannibalism should be infrequent when parental investment is high. Thus, filial cannibalism in male syngnathids, a group known for the occurrence of male pregnancy, should be rare. Using the pipefish (<jats:italic>Syngnathus abaster<\/jats:italic>) we aimed to investigate whether cannibalism does occur in both sexes and how it is affected by reproductive and nutritional states. Although rare, we witnessed cannibalism both in the wild and in the laboratory. Unlike non-pregnant males and females, pregnant and post-partum males largely refrained from cannibalising juveniles. Reproducing males decreased their feeding activity, thus rendering cannibalism, towards kin or non-kin, less likely to occur. However, if not continuously fed, all pipefish adopted a cannibal strategy, revealing that sex and life history stages influenced the ratio between the benefits and costs of cannibalism.<\/jats:p>","DOI":"10.1163\/1568539x-00003328","type":"journal-article","created":{"date-parts":[[2015,11,6]],"date-time":"2015-11-06T17:52:38Z","timestamp":1446832358000},"page":"91-106","source":"Crossref","is-referenced-by-count":9,"title":["Reduced cannibalism during male pregnancy"],"prefix":"10.1163","volume":"153","author":[{"given":"M.","family":"Cunha","sequence":"first","affiliation":[{"name":"CIBIO\/InBIO, Centro de Investiga\u00e7\u00e3o em Biodiversidade e Recursos Gen\u00e9ticos, Rua Padre Armando Quintas, 4485-661 Vair\u00e3o, Portugal"},{"name":"Faculdade de Ci\u00eancias da Universidade do Porto, rua do Campo Alegre, 4169-007 Porto, Portugal"}]},{"given":"A.","family":"Berglund","sequence":"additional","affiliation":[{"name":"Department of Animal Ecology, Evolutionary Biology Centre (EBC), Uppsala University, Norbyv\u00e4gen 14, 752 36, Uppsala, Sweden"}]},{"given":"T.","family":"Alves","sequence":"additional","affiliation":[{"name":"CIBIO\/InBIO, Centro de Investiga\u00e7\u00e3o em Biodiversidade e Recursos Gen\u00e9ticos, Rua Padre Armando Quintas, 4485-661 Vair\u00e3o, Portugal"}]},{"given":"N.M.","family":"Monteiro","sequence":"additional","affiliation":[{"name":"CIBIO\/InBIO, Centro de Investiga\u00e7\u00e3o em Biodiversidade e Recursos Gen\u00e9ticos, Rua Padre Armando Quintas, 4485-661 Vair\u00e3o, Portugal"},{"name":"Faculdade de Ci\u00eancias da Universidade do Porto, rua do Campo Alegre, 4169-007 Porto, Portugal"},{"name":"CEBIMED, Faculdade de Ci\u00eancias da Sa\u00fade, Universidade Fernando Pessoa, Rua Carlos da Maia 296, 4200-150 Porto, Portugal"}]}],"member":"374","reference":[{"key":"bibr1","doi-asserted-by":"crossref","first-page":"209","DOI":"10.3354\/meps029209","article-title":"Reversed sex roles and parental energy investment in zygotes of two pipefish (Syngnathidae) species","volume":"29","author":"Berglund","year":"1986","journal-title":"Mar. 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USA"},{"key":"bibr38","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1007\/BF00042661","article-title":"Cannibalism in teleost fish","volume":"1","author":"Smith","year":"1991","journal-title":"Rev. Fish Biol. Fish."},{"key":"bibr39","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1007\/BF00005862","article-title":"Trophic ecology of two congeneric pipefishes (Syngnathidae) of the lower York River, Virginia","volume":"43","author":"Teixeira","year":"1995","journal-title":"Environ. Biol. Fish."},{"key":"bibr40","doi-asserted-by":"crossref","first-page":"1223","DOI":"10.1111\/j.1095-8649.1999.tb02072.x","article-title":"Egg cannibalism in river blennies: the role of natural prey availability","volume":"55","author":"Vinyoles","year":"1999","journal-title":"J.\u00a0Fish. Biol."},{"key":"bibr41","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1093\/jhered\/92.2.159","article-title":"Male pregnancy in seahorses and pipefishes (family Syngnathidae): rapid diversification of paternal brood pouch morphology inferred from a molecular phylogeny","volume":"92","author":"Wilson","year":"2001","journal-title":"J.\u00a0Hered."}],"container-title":["Behaviour"],"original-title":[],"link":[{"URL":"https:\/\/brill.com\/view\/journals\/beh\/153\/1\/article-p91_6.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/data.brill.com\/files\/journals\/1568539x_153_01_s006_text.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,6,12]],"date-time":"2024-06-12T08:50:13Z","timestamp":1718182213000},"score":1,"resource":{"primary":{"URL":"https:\/\/brill.com\/view\/journals\/beh\/153\/1\/article-p91_6.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":41,"journal-issue":{"issue":"1"},"URL":"https:\/\/doi.org\/10.1163\/1568539x-00003328","relation":{},"ISSN":["0005-7959","1568-539X"],"issn-type":[{"type":"electronic","value":"0005-7959"},{"type":"electronic","value":"1568-539X"}],"subject":[],"published":{"date-parts":[[2016]]}}}