the size composition, growth pattern, sex ratio and feeding habits of the blue swimming crab, portunus segnis from persian gulf in south of iran, was studied. sampling was performed by trawl net during a one- year period (july 2011 to may 2012) as processed 864 crabs was collection. the crabs carapace width ranged were from 7.5-17.5 cm for males and 7.0-16.5 cm for females. the crab carapace le...

The invasive blue crab Portunus segnis, which was collected from two sites on the Gulf of Gabès, is subject this work. This study based demonstrating accumulation capacity P. segnis by measuring concentrations cadmium, zinc, lead, and copper in gills hepatopancreas. enzymatic activities catalase, glutathione-S-transferase, reduced glutathione, lipid peroxidase were assessed region for first tim...

This investigation was carried out to determine the feeding habits of blue swimming crab, Portunus segnis from around waters Boushehr, Coast of Persian Gulf, South Iran. Sampling was performed trawl net during winter and spring seasons (January 2011 to June 2012) as processed 426 crabs was collection. After freezing, the samples were transferred to the laboratory in order for further analysis. ...

There is a growing recognition that an advanced understanding of the trophic characteristics invasive consumer can provide important information on its ecological impact. In recent years, blue swimming crab Portunus segnis, one earliest Lessepsian invaders, has considerably expanded distribution range in Mediterranean Sea, yet, habits invaded areas remain scarcely investigated. this study, we u...

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...

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...

Abstract The food habits of the blue swimming crab, Portunus segnis (Forskål, 1775) were investigated using specimens collected from trawl catches in north-east Persian Gulf, June 2018 to May 2019. Feeding 304 adult female crabs, ranging 2.6 8.7 cm carapace length, analysed. stomach content examined crabs showed consist crustaceans, fish, molluscs, unidentifiable material, sea grass and foramin...