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Some external abnormalities found in edible crabs,portunus pelagicus and P. sanguinolentus,of Pakistan
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نویسنده
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rasheed s. ,mustaquim j. ,khanam s.
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منبع
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pakistan journal of zoology - 2014 - دوره : 46 - شماره : 2 - صفحه:541 -548
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چکیده
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The purpose of this paper is to present information about external abnormalities found in edible crabs portunus pelagicus (linnaeus,1758) and p. sanguinolentus (herbst,1783),which were collected during january 2004 to december 2005 from the coastal waters of karachi. a total of 3,025 specimens were collected out of which 1,968 were p. pelagicus and 1,057 were p. sanguinolentus. out of 1,968 p. pelagicus,only 14 crabs (or 0.71%) displayed abnormalities either in carapace,chelipeds,swimming leg,or abdomen. in case of p. sanguinolentus,only 3 specimens out of 1,057 (or 0.28 %) were found abnormal morphologically. these abnormalities were associated with carapace and abdomen only. copyright 2014 zoological society of pakistan.
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کلیدواژه
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Carapace; Cheliped; Edible crabs; External abnormalities; P. sanguinolentus; Portunus pelagicus
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آدرس
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centre of excellence in marine biology,university of karachi,karachi,pakistan,lasbela university of agriculture,water and marine sciences, Pakistan, centre of excellence in marine biology,university of karachi, Pakistan, centre of excellence in marine biology,university of karachi, Pakistan
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Authors
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