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Evidence of sequential hermaphroditism in alfonsinos (Beryx spp.) from the deep northeast Atlantic.

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Τίτλος: Evidence of sequential hermaphroditism in alfonsinos (Beryx spp.) from the deep northeast Atlantic.
Συγγραφείς: Cruz M; University of the Azores, Institute of Marine Sciences - OKEANOS, Horta, Portugal.; IMAR Instituto do Mar, Departamento de Oceanografia e Pescas, University of the Azores, Horta, Portugal., Medeiros-Leal W; University of the Azores, Institute of Marine Sciences - OKEANOS, Horta, Portugal., Peixoto U; University of the Azores, Institute of Marine Sciences - OKEANOS, Horta, Portugal., Brito MFG; Laboratório de Ictiologia, Departamento de Biologia, Universidade Federal de Sergipe, São Cristóvão, Brazil., Rosa MD; University of the Azores, Institute of Marine Sciences - OKEANOS, Horta, Portugal., Canha Â; Regional Directorate for Fisheries, Regional Secretariat for the Sea and Fisheries, Government of the Azores, Horta, Portugal., Braga-Henriques A; Regional Directorate for Fisheries, Regional Secretariat for the Sea and Fisheries, Government of the Azores, Horta, Portugal.; Marine and Environmental Sciences Centre, Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação, Funchal, Portugal.; Museu de História Natural do Funchal, Estação de Biologia Marinha do Funchal, Funchal, Portugal., Santos R; University of the Azores, Institute of Marine Sciences - OKEANOS, Horta, Portugal.; IMAR Instituto do Mar, Departamento de Oceanografia e Pescas, University of the Azores, Horta, Portugal.
Πηγή: Journal of fish biology [J Fish Biol] 2025 Nov; Vol. 107 (5), pp. 1833-1838. Date of Electronic Publication: 2025 Aug 11.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0214055 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8649 (Electronic) Linking ISSN: 00221112 NLM ISO Abbreviation: J Fish Biol Subsets: MEDLINE
Imprint Name(s): Publication: 2003- : Oxford, UK : Blackwell Publishing
Original Publication: London, New York, Published for the Fisheries Society of the British Isles by Academic Press.
Ιατρικοί όροι (MeSH): Disorders of Sex Development*/veterinary, Animals ; Female ; Atlantic Ocean ; Seasons ; Azores
Περίληψη: Among 572 specimens of Beryx splendens and B. decadactylus collected in the Azores (northeast Atlantic), we identified 66 hermaphroditic females, primarily of medium size and at early stages of gonadal development. Hermaphroditism was observed more frequently in winter for B. splendens and in spring-summer for B. decadactylus. These findings challenge the prevailing assumption that both species are strictly gonochoristic and reveal previously unrecognized reproductive plasticity. This has important implications for stock assessment and management, given recent evaluations indicating a low abundance of large, fecund individuals in the population.
(© 2025 Fisheries Society of the British Isles.)
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Grant Information: UIDB/05634/2025 Foundation for Science and Technology, I.P.; UIDP/05634/2025 Foundation for Science and Technology, I.P.; UI/BD/153596/2022 Fundação para a Ciência e a Tecnologia; 2021.02789.CEECIND/CP1669/CT0002 Fundação para a Ciência e a Tecnologia; #312779/2021-6 Conselho Nacional de Desenvolvimento Científico e Tecnológico
Contributed Indexing: Keywords: Azores; Beryx decadactylus; Beryx splendens; maturity stages; reproductive biology
Entry Date(s): Date Created: 20251217 Date Completed: 20251217 Latest Revision: 20251217
Update Code: 20260130
DOI: 10.1111/jfb.70176
PMID: 41405918
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1095-8649
DOI:10.1111/jfb.70176