Nghiên cứu đặc điểm sinh sản của sò huyết <i>Anadara granosa</i> ở vùng cửa sông Ròon, tỉnh Quảng Bình

Abstract

     The study was carried out from May 2018 to May 2019 with the methods being applied in the study of the current reproductive characteristics of the molluscs of Toral-Barzal & Gomez (2012) and Baron (1992). Samples of blood cockle are collected in Roon estuary area of Quang Binh province. The results showed that blood cockle Anadara granosa matures for the first time at 24 mm height group. Blood cockle Anadara granosa spawns all year but the peak period of reproduction takes place from April to July. The absolute reproductive rate of blood cockles ranges from 425,136 - 2013,516 egg cells, depending on the size of the female.

Keywords: Roon estuary area, reproductive characteristics; blood cockle