Study on the Annual Reproductive Cycle of the Comb Pen Shell, Atrina pectinata (Linnaeus, 1767) (Mollusca: Bivalvia: Pinnidae) on the Southern Coast of Ulleungdo Island, Korea
Abstract:Gametogenesis of the comb pen shell, Atrina pectinata (Linnaeus, 1767) (Bivalvia: Pinnidae) on the southern coast of Ulleungdo Island, Korea was assessed monthly (November 2013 to October 2014) using histology. Gametogenesis commenced in January when the surface water temperature was 12.6 o C and pen shells evidenced an early development phase with small oogonia from January to April, although few females exhibited ripe eggs in their follicular epithelium. In April, the oocyte diameter increased rapidly, and f… Show more
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