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Seasonal variations in the volume of the haemolymph and body weight of the horseshoe crab, Tachypleus gigas (Muller)

DRS at CSIR-National Institute of Oceanography

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Title Seasonal variations in the volume of the haemolymph and body weight of the horseshoe crab, Tachypleus gigas (Muller)
 
Creator Chatterji, A.
Rathod, V.
Parulekar, A.H.
 
Description The changes in volume of haemolymph of the horseshoe crab, Tachypleus gigas were more pronounced in females of size above 160 mm with maximum values in size group 241-260 mm. In males, the variations in the volume of haemolymph was not significant in sizes between 121-140 mm. An inverse relationship was observed between the volume of haemolymph and salinity of the environment. Maximum volume of haemolymph (57.3 ml) in females was observed when the salinity of the environment was low in October whereas, minimum (30 ml) in higher salinities during summer and post flood periods. The body weight of the crab was found to be affectEd. by the fluctuations in salinity. During flood period (October-November) average body weight of the crab increasEd. by 9.6% (size group 5), 6.4% (size group 6) and 9.8% (size group 7) in case of female, where as males showed only 3.09% higher body weight. During post flood period (December-January), the average body weight decreasEd. by 5.45; 7.2 and 18.2% in size group 5, 6 and 7 respectively in females and 6.1% in males. The variations in body weight with salinity were more pronounced in females than in males, during different seasons
 
Date 2009-05-08T09:00:01Z
2009-05-08T09:00:01Z
1992
 
Type Journal Article
 
Identifier Pakistan Journal of Scientific and Industrial Research, Vol.35; 495-498p.
http://drs.nio.org/drs/handle/2264/2964
 
Language en
 
Rights Copyright [1992]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Pakistan Council of Scientific and Industrial Research