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Histological investigation of the reproductive cycles of the limpets Patella vulgata and Patella ulyssiponensis
McCarthy, M.; Woosnam, P.; Culloty, S.C. (2008). Histological investigation of the reproductive cycles of the limpets Patella vulgata and Patella ulyssiponensis. Mar. Biol. (Berl.) 153(5): 871-877. http://hdl.handle.net/10.1007/s00227-007-0859-x
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • McCarthy, M.
  • Woosnam, P.
  • Culloty, S.C.

Abstract
    This study devised a staging system for, and monitored, the gonad development of the limpet species Patella vulgata and Patella ulyssiponensis on the South West coast of Ireland using histological techniques. Maturation began in the males of both species in January and in the females it began in March. There was no statistical difference in gonad development between sexes and between species. Spawning in the male P. vulgata occurred from September to December 2003 and in September and October 2004. In female P. vulgata spawning occurred from October to December 2003, no spawning of females was observed in 2004. In male P. ulyssiponensis spawning occurred in November and December 2003 and from September 2004 to December 2004. Spawning was observed from November 2003 to January 2004 and in September 2004 in female P. ulyssiponensis. Sex ratios also varied between the species and between months sampled. Nevertheless more males were observed in both species.

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