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Salinity tolerance and fishery of mud shrimp Solenocera crassicornis (H. Milne Edwards) in the coastal waters of Mumbai

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Relation http://eprints.cmfri.org.in/8843/
 
Title Salinity tolerance and fishery of mud shrimp Solenocera crassicornis (H. Milne Edwards) in the coastal waters of Mumbai
 
Creator Damle, R S
Deshmukh, V D
 
Subject Prawn and Prawn fisheries
 
Description Salinity tolerance of mud shrimp Solenocera crassicornis investigated at different salinities ranging
from 15‰ to 55‰ showed that shrimps in the salinity range 30‰ - 42‰ survived but those in lower and
higher salinities died soon after the transfer. Ionic concentration in the hemolymph and free amino acids
in the body muscle in response to different salinity ranges showed hypo-regulation initially but later
became hyposmotic to the medium and died eventually when the salinity decreased. The abundance of
shrimp showed inverse relationship with rainfall and consequent lowering of salinity in the inshore
waters. The study showed that S. crassicornis can regulate osmotic and ionic concentrations of body
fluids efficiently in the salinity range of 30 - 42‰ but unlike euryhaline penaeid shrimps it is a poor
regulator at lower salinities and therefore it migrates offshore during monsoon months.
 
Publisher Marine Biological Association of India
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/8843/1/12_-_1594_-_R_S_Damle_12.pdf
Damle, R S and Deshmukh, V D (2011) Salinity tolerance and fishery of mud shrimp Solenocera crassicornis (H. Milne Edwards) in the coastal waters of Mumbai. Journal of the Marine Biological Association of India, 53 (2). pp. 230-236.