{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T06:42:38Z","timestamp":1768027358838,"version":"3.49.0"},"reference-count":73,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2023,12,27]],"date-time":"2023-12-27T00:00:00Z","timestamp":1703635200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"international funds through FCT (Foundation for Science and Technology)","award":["UIDB\/04423\/2020"],"award-info":[{"award-number":["UIDB\/04423\/2020"]}]},{"name":"international funds through FCT (Foundation for Science and Technology)","award":["UIDP\/04423\/2020"],"award-info":[{"award-number":["UIDP\/04423\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biology"],"abstract":"<jats:p>The study of geometric morphometrics among stocks has proven to be a valuable tool in delineating fish spatial distributions and discriminating distinct population units. Variations in fish body morphology can be linked to genetic factors or to phenotypic adaptability in response to environmental variables. The tub gurnard (Chelidonichthys lucerna) is a demersal species that usually lives in the bottom of the continental shelf, being widely distributed along the northeast Atlantic, Mediterranean and Black seas. Worldwide interest in the species has increased since 2006, when ICES recognized its potential for commercial exploitation. However, despite its broad geographic occurrence, to date, research on C. lucerna population structure at large spatial scales is still lacking. In this paper, body geometric morphometrics, using a landmark-based truss network, was applied in order to discriminate C. lucerna populations caught in three different fishery grounds areas along the northeast Atlantic: Conwy Bay (United Kingdom), Biscay Bay (Spain) and Matosinhos (Portugal). The results obtained in this study revealed a high overall relocation success (95%) of samples to their original locations, thus demonstrating the existence of significant regional differences and indicating that we are dealing with different fish population units. Moreover, the data revealed a partial overlap between individuals from Spain and United Kingdom, suggesting that in geographically distant areas these populations may inhabit similar environments. However, to corroborate these findings, future works using a holistic approach with alternative and complimentary stock assessment tools (e.g., genetic and phenotypic natural tags) are highly recommended.<\/jats:p>","DOI":"10.3390\/biology13010017","type":"journal-article","created":{"date-parts":[[2023,12,28]],"date-time":"2023-12-28T03:30:34Z","timestamp":1703734234000},"page":"17","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Chelidonichthys lucerna (Linnaeus, 1758) Population Structure in the Northeast Atlantic Inferred from Landmark-Based Body Morphometry"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8404-3950","authenticated-orcid":false,"given":"In\u00eas","family":"Ferreira","sequence":"first","affiliation":[{"name":"Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental (CIIMAR\/CIMAR), Terminal de Cruzeiros do Porto de Leix\u00f5es, Avenida General Norton de Matos S\/N, 4450-208 Matosinhos, Portugal"},{"name":"Faculdade de Ci\u00eancia e Tecnologia da Universidade Fernando Pessoa (FCT-UFP), Pra\u00e7a 9 de Abril 349, 4249-004 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7340-0214","authenticated-orcid":false,"given":"Rafael","family":"Schroeder","sequence":"additional","affiliation":[{"name":"Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental (CIIMAR\/CIMAR), Terminal de Cruzeiros do Porto de Leix\u00f5es, Avenida General Norton de Matos S\/N, 4450-208 Matosinhos, Portugal"},{"name":"Laborat\u00f3rio de Estudos Marinhos Aplicados (LEMA), Escola Polit\u00e9cnica, Universidade do Vale do Itaja\u00ed (UNIVALI), Rua Uruguai 458, Centro, Itaja\u00ed 88302-901, Brazil"}]},{"given":"Estanis","family":"Mugerza","sequence":"additional","affiliation":[{"name":"AZTI, Sustainable Fisheries Management, Basque Research and Technology Alliance (BRTA), Txatxarramendi Ugartea z\/g, 48395 Sukarrieta, Spain"}]},{"given":"I\u00f1aki","family":"Oyarzabal","sequence":"additional","affiliation":[{"name":"AZTI, Sustainable Fisheries Management, Basque Research and Technology Alliance (BRTA), Txatxarramendi Ugartea z\/g, 48395 Sukarrieta, Spain"}]},{"given":"Ian D.","family":"McCarthy","sequence":"additional","affiliation":[{"name":"School of Ocean Sciences, Bangor University, Askew Street, Menai Bridge LL59 5AB, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2831-025X","authenticated-orcid":false,"given":"Alberto T.","family":"Correia","sequence":"additional","affiliation":[{"name":"Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental (CIIMAR\/CIMAR), Terminal de Cruzeiros do Porto de Leix\u00f5es, Avenida General Norton de Matos S\/N, 4450-208 Matosinhos, Portugal"},{"name":"Instituto de Ci\u00eancias Biom\u00e9dicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal"},{"name":"Escola de Ci\u00eancias da Vida e do Ambiente (ECVA), Universidade de Tr\u00e1s-os-Montes e Alto Douro (UTAD), Quinta dos Prados, 5000-801 Vila Real, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Harvey, E.S., Cappo, M., Kendrick, G.A., and McLean, D.L. 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