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The Biology of Sharks and Rays$
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Peter A. Klimley and Steven Oerding

Print publication date: 2013

Print ISBN-13: 9780226442495

Published to Chicago Scholarship Online: January 2014

DOI: 10.7208/chicago/9780226923086.001.0001

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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 22 October 2021

Water and Ionic Regulation

Water and Ionic Regulation

(p.83) Chapter 4 Water and Ionic Regulation
The Biology of Sharks and Rays

A. Peter Klimley

University of Chicago Press

This chapter describes the internal hydro-mineral balance of the sharks, rays, and chimaeras, with special attention given to how species regulate the salt composition of their tissues in order to temporarily inhabit estuarine and freshwater environments or reside wholly in the freshwater environment. The discussion covers the process of osmoregulation and the osmoregulatory organs (rectal gland, kidney, gills).

Keywords:   sharks, rays, chimaeras, salt composition, osmoregulation, osmoregulatory organs

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