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 ca...

Parasitic dinoflagellates in the genus Hematodinium are important parasites of marine Crustacea. Outbreaks of these parasites have damaged commercial stocks of Norway lobster Nephrops norvegicus, snow crab Chionoecetes opilio, Tanner crab C. bairdi, American blue crab Callinectes sapidus, and velvet swimming crab Necora puber. Species of Hematodinium can reach high enough levels to regulate the...

The aim of this study is to determine the effect mesh size on catches small crab (Portunus sp.) both in number, carapace length (CL), and catchability between modified control collapsible pot. This used wrapping net (PE) from 2.5 cm (± 1 inch) 7.0 inches) with 20 units repetitions (trips). results showed that different has a significant catch However, 2.5-inch size- larger = 42 individuals (85....

High exploitation of the blue swimming crab (Portunus pelagicus) has significantly reduced its wild populations. The domestication process this species been started; however, breeding program not yet successful. Therefore, study aimed to examine reproduction performance intraspecific hybrids from Sorong (Papua) and Barru (South Sulawesi), Indonesia. P. pelagicus a bigger size, while better perf...