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Additionally, the trophic level of this species was estimated to establish its ecological role in this marine region. A total of 352 individuals were analysed, of which 308 (87.05%), ranging from 78 to 285\u2009mm in total length (Lt), contained food.\n                    <jats:italic>P. nudigula<\/jats:italic>\n                    based its diet mainly on amphipods, followed by brachyuran crabs, shrimps and polychaetes. Cumaceans and isopods were also relevant prey but with a smaller contribution. Diet composition was strongly affected by body size and also by regions and seasons. Small individuals of\n                    <jats:italic>P. nudigula<\/jats:italic>\n                    consumed amphipods and small benthic fauna, whereas large individuals fed on brachyuran crabs, shrimps, cumaceans, hard benthic fauna and swimming prey. Furthermore, this species was able to consume larger brachyuran crabs and shrimps as it grew.\n                    <jats:italic>P. nudigula<\/jats:italic>\n                    exhibited regional and seasonal variations in its diet, showing changes in the consumption of its more important prey. Trophic level was 3.41, indicating that\n                    <jats:italic>P. nudigula<\/jats:italic>\n                    is a secondary consumer. This thorough investigation provides updated information on the trophic role of\n                    <jats:italic>P. nudigula<\/jats:italic>\n                    , representing a baseline for future investigations in the southwestern Atlantic Ocean.\n                  <\/jats:p>","DOI":"10.1111\/jfb.70437","type":"journal-article","created":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T00:42:16Z","timestamp":1776213736000},"page":"549-562","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dietary shifts across ontogeny, regions and seasons in the red searobin,\n                    <scp>\n                      <i>Prionotus nudigula<\/i>\n                    <\/scp>\n                    , off Uruguay and northern Argentina"],"prefix":"10.1111","volume":"109","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7455-8010","authenticated-orcid":false,"given":"Jorge M.","family":"Roman","sequence":"first","affiliation":[{"name":"Biolog\u00eda de Peces, Instituto de Investigaciones Marinas y Costeras, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET)  Mar del Plata Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea C.","family":"Lopez Cazorla","sequence":"additional","affiliation":[{"name":"Instituto Argentino de Oceanograf\u00eda (IADO), Universidad Nacional del Sur, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET)  Bah\u00eda Blanca Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Santiago A.","family":"Barbini","sequence":"additional","affiliation":[{"name":"Biolog\u00eda de Peces, Instituto de Investigaciones Marinas y Costeras, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET)  Mar del Plata Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,14]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.j.marsys.2003.09.005"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.2307\/3803199"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10641-019-0843-6"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0030-1299.2007.15768.x"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0025315410001529"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1071\/MF11170"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1590\/1982-0224-20160032"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/maec.12273"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1080\/17451000.2010.515229"},{"issue":"6","key":"e_1_2_10_11_1","first-page":"687","article-title":"Benthic communities of the Argentine continental shelf","volume":"15","author":"Bastida R.","year":"1992","journal-title":"Oceanologica Acta"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fishres.2023.106660"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10750-011-0967-y"},{"key":"e_1_2_10_14_1","volume-title":"La vida entre mareas: vegetales y animales de las costas de Mar del Plata, Argentina","author":"Boschi E. 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