Includes bibliographical references and indexes.

Fish : an introduction -- Environmental links : sensory systems -- Foodstuffs and feeding -- Vascular transport and gaseous exchange : the circulatory and respiratory systems -- Physiological integration : nervous and endocrine systems -- Digestion and absorption -- Osmotic and ionic regulation : water and salt balance -- Body form, swimming and movement through the water -- Reproduction -- Development of eggs and larvae -- Recruitment and population fluctuations -- Human impacts on aquatic environments.