Reproductive Biology of kiddi shrimp Parapenaeopsis stylifera (H. Milne Edwards, 1837) in western coastal waters of the Hormozgan province

Document Type : Biology(Animal)

Authors

1 Department of Fisheries, Faculty of Marine and atmospheric Sciences, Hormozgan University, Bandar Abbas, PO Box: 3995

2 Department of Fisheries, Mangrove forest research center, University of Hormozgan, Bandar Abbas, Iran, Po.Box: 3995

3 Agricultural Research and Development Research Institute, National Institute of Fisheries Research, Ecology Institute of Persian Gulf & Oman sea, Bandar Abbas, PO Box: 1597-79145

Abstract

This study was designed for understanding reproductive biology of Kiddi shrimpParapenaeopsis styliferain western coastal waters of the Hormozgan province. Sampling was carried out monthly for period 15 months, from October 2015 to December, 2016. A total 835 shrimp included 462 females
and 373 males were collected monthly by a stop set net. The sex ratio identified that it was not a
constant 1:1 throughout the year, with 53.3 % of shrimp was females. The recorded resolts show that the kiddi shrimps can spawn all year round and have two determine peak of spawning time from March to May and November to December. The gonado-somatic index (GSI) for female shrimps showed that the ascending trend from December to March but a descending trend of this index recorded in summer and maximum value was observed in February.Length at first maturity (LM50) for female was 18.8 mm of carapace length.

Keywords

References

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Journal of Animal Environment
Volume 10, Issue 3
October 2018
Pages 413-418

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