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The reproductive cycle of Anodonta cygnea L. from Mira Lagoon (Portugal)
Galhano, M.H.; da Silva, M.T.F. (1983). The reproductive cycle of Anodonta cygnea L. from Mira Lagoon (Portugal). Publ. Inst. Zool. Dr. Augusto Nobre 179: 1-5
In: Publicaçaões do Instituto de Zoologia "Dr. Augusto Nobre". Imprensa Portuguesa: Porto, more

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Keywords
    Anodonta cygnea (Linnaeus, 1758) [WoRMS]; Pelecypoda [WoRMS]; Fresh water

Authors  Top 
  • Galhano, M.H.
  • da Silva, M.T.F.

Abstract
    The reproductive cycle of the freshwater mussel A. cygnea was studied from December 1980 to July 1982. The following conclusions were drawn. 1) Reproductive cycle lasts from July to February and presents two different phasis. 2) During the other part of the year (March, April, May, June) there is a sexual inactivity, but not complete: germinal follicles and gametogenesis are very reduced, ripe gametes are absent.

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