Osmoregulation in Some Freshwater Prawns

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1957 English Publisher:The Company of BiologistsJournal:Journal of Experimental Biology, volume 34, pages 417-423 (issn: 0022-0949, eissn: 1477-9145,

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Authors: Gwyneth Parry;

doi: 10.1242/jeb.34.3.417

Osmoregulation in Some Freshwater Prawns

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Abstract

ABSTRACT A freshwater prawn, Palaemonetes antennarius, from Italy, is shown to have a different level of salt concentration in the blood and urine compared with that of the brackish water P. varians and Palaemon longirostris in Britain. Although this prawn lives in fresh water the urine is isosmotic with the blood and is produced at a rate of about 2 % body weight/hr. An uptake of salts from a very dilute medium has been demonstrated in salt-depleted animals.

Related Organizations

United Kingdom Ministry of Agriculture, Fisheries and Food
United Kingdom

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