Reproductive biology of blue swimming crab, Portunus segnis (Forskal, 1775) in coastal waters of Persian Gulf and Oman Sea, Iran

被引：0

作者：

Safaie, M. ^{[1
]}

Pazooki, J. ^{[1
]}

Kiabi, B. ^{[1
]}

Shokri, M. R. ^{[1
]}

机构：

[1] Shahid Beheshti Univ, Fac Biol Sci, GC, Tehran 1983963113, IR, Iran

来源：

IRANIAN JOURNAL OF FISHERIES SCIENCES | 2013年 / 12卷 / 02期

关键词：

Sex ratio; Sexual maturity at size; Spawning season; Fecundity; Portunus segnis; Persian Gulf; Oman Sea; PELAGICUS LINNAEUS; SOUTHERN AUSTRALIA;

D O I：

暂无

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

A reproductive biology study of blue swimming crab, Portunus segnis (Forskal, 1775) in the northern Persian Gulf and Oman Sea, was conducted from May 2010 to October 2011. The results showed that the annual sex ratio is not M: F=1:1, with 51.9 % female. All the five stages of ovarian development of P. segnis were observed throughout the year. The size of ovigerous crabs varied from 103 to 155 mm. carapace width. This crab can spawn all year round with a spawning peak in mid-winter to early of spring season. The fecundity of ovigerous crabs ranged from 521027 to 6656599 eggs, with average fecundity of 2397967 eggs. The minimum carapace width (CW) of female crabs that reach sexual maturity was 92138 mm and the length at which 50% of all ovigerous females was 113 mm carapace width.

引用

页码：430 / 444

页数：15

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