Population Characteristics, Maturation and Spawning of the Blue Swimmer Crab Portunus pelagicus in Eastern Mediterranean Sea, Egypt
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چکیده
منابع مشابه
Induced thermal stress on serotonin levels in the blue swimmer crab, Portunus pelagicus
The temperature of habitat water has a drastic influence on the behavioral, physiological and biochemical mechanisms of crustaceans. Hyperglycemia is a typical response of many aquatic animals to harmful physical and chemical environmental changes. In crustaceans increased circulating crustacean hyperglycemic hormone (CHH) and hyperglycemia are reported to occur following exposure to several en...
متن کاملThe Distribution of the Barnacle Epizoites, Chelonibita patula (Ranzani) on Blue Swimmer Crab, Portunus pelagicus (Linnaeus, 1758)
The frequency and distribution of barnacle (Chelonibia patula) on blue swimmer crab Portunus pelagicus off Persian Gulf Coasts were studied. A total of 545 crabs were examined and were of the same size range. The carapace width rangof crab werefrom 6.5cm to 16.5cm, carapace length from 4 to 8cm and weighed 80.5g to 220.4g. The barnacles were attached to the carapace, abdomen and walking legs. T...
متن کاملGenetic population differentiation of the blue swimming crab Portunus pelagicus (Portunidae) in Thai waters revealed by RAPD analysis.
Genetic diversity and population differentiation of the blue swimming crab, Portunus pelagicus, in Thailand were analyzed by RAPD analysis. One hundred and twelve RAPD fragments were generated from 109 individuals of P. pelagicus using OPA02, OPA14, OPB10, UBC122, and UBC158 primers. The percentage of polymorphic bands in each geographic sample and that of each primer across overall samples wer...
متن کاملCatch, effort and the conversion from gill nets to traps in the Peel-Harvey and Cockburn Sound blue swimmer crab (Portunus pelagicus) fisheries
.................................................................................................... 1 1.0 Introduction .............................................................................................. 2 2.0 Methods ..................................................................................................... 3 2.1 Cockburn Sound fishing trials .................................
متن کاملStock Assessment and Reproductive Biology of the Blue Swimming Crab, Portunus pelagicus in Bandar Abbas Coastal Waters, Northern Persian Gulf
Stock assessment and reproductive biology of the blue swimming crab, Portunus pelagicus, in Bandar Abbas coastal waters was conducted from August 2006 to July 2007. A total of 424 male and 348 female crabs were taken to the laboratory for length, weight and reproductive biometry. Estimate of growth parameter of crab showed t asymptotic carapace width (CW) was 172.5 mm, the curvature parameter, ...
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ژورنال
عنوان ژورنال: Asian Journal of Biological Sciences
سال: 2019
ISSN: 1996-3351
DOI: 10.3923/ajbs.2019.626.636