Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/1354
Título: The reproductive cycle of Patella candei gomesii Drouët, 1858 (Mollusca: Patellogastropoda), an Azorean endemic subspecies
Autor: Curdia, João
Rodrigues, Armindo
Martins, António M. de Frias
Costa, Manuel
Palavras-chave: Patella candei gomesii
Reproductive Cycle
Data: 2005
Editora: Balaban, Philadelphia/Rehovot
Citação: "Invertebrate Reproduction & Development". ISSN 2157-0272. Volume 48, Issue 1-3, 2005, pp. 137-145(9).
Resumo: Patella candei gomesii is morphologically plastic comprising two ecomorphs. The “smooth limpet” is characteristic of the eulittoral zone, whereas the “fly limpet” is mainly found higher in the shore, on the splash zone of exposed areas. Their reproductive strategies are poorly understood. This study investigated the reproductive cycles of the ecomorphs using histological techniques. The annual cycles were found to be similar. Both sexes exhibited synchronous patterns and were mature most of the year. In April, significant increases were observed in the relative volume occupied by previtellogenic and vitellogenic cells in females, and by spermatogonia, spermatids and spermatocytes in males. The maximum values for mature oocytes and spermatozoa were observed in July. It is concluded that the breeding season of P. candei gomesii lasts the whole year peaking in the summer (when reproductive condition is highest and the main spawning event must occur). The implications of these findings for the taxonomy and conservation of the subspecies are further discussed.
Descrição: Copyright © 2005, Taylor & Francis.
Peer review: yes
URI: http://hdl.handle.net/10400.3/1354
ISSN: 0168-8170 (Print)
2157-0272 (Online)
Versão do Editor: http://dx.doi.org/10.1080/07924259.2005.9652180
Aparece nas colecções:DBIO - Artigos em Revistas Internacionais / Articles in International Journals

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