MỘT SỐ ĐẶC ĐIỂM SINH HỌC SINH SẢN CỦA LOÀI MÓNG TAY SOLEN THACHI COSEL, 2002 Ở ĐẦM THUỶ TRIỀU, KHÁNH HOÀ

Do Huu Hoang; Hua Thai Tuyen

doi:10.15625/1859-3097/16/2/6927

Author affiliations

Authors

Do Huu Hoang Institute of Oceanography-VAST
Hua Thai Tuyen Institute of Oceanography-VAST

DOI:

https://doi.org/10.15625/1859-3097/16/2/6927

Keywords:

Móng tay, Solen thachi, sinh học sinh sản.

Abstract

Razor clam Solen thachi Cosel, 2002 is one of the high valuable species distributed at Thuy Trieu lagoon, Khanh Hoa. The aim of this paper was to examine some reproductive biology characteristics of razor clam. Samples of razor clam were collected monthly with a total of 822 inds. at Thuy Trieu lagoon and analysed at the laboratory of the Institute of Oceanography. Results of analysis showed that sex ratio was about 1:1. Spawning season was mainly between December and March of the following year, with the peak in December. The absolute fecundity was 1,048,893 ± 608,964 eggs per individual, while the relative fecundity was 146,349 ± 95,666 eggs/gram of body weight. Length of the first maturity was recorded at 69.6 mm of shell length. This paper provided baseline data for management and sustainable exploitation of marine living resources.

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