Oogenesis, spermatogenesis, and the sexual cycle of the bivalve Corbicula japonica in the estuary of the Kievka River (Primorye, Sea of Japan) were studied. The stages of development of germ cells and the role of auxiliary cells in gonads during vitellogenesis were described. The features of sperm morphology were recorded. It was shown that the reproductive cycle in C. japonica is determined by the water temperature, that gametogenesis starts at the boundary between April and May, that spawning occurs from mid-July to mid-September, and that gonads are in a stage of relative sexual inactivity in the autumn and winter.
Russian Journal of Marine Biology – Springer Journals
Published: Sep 1, 2013
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