The Physiological Ecology of Tunas Academic Press Rapid Manuscript Reproduction Proceedings of the Tuna Physiology Workshop held at the National Marine Fisheries Service Southwest Fisheries Center at La JoDa, California, January 10-15, 1977 The Physiological Ecology of Tunas Edited by Gary D. Sharp Inter-American Tropical Tuna Commission Scripps Institution of Oceanography La Jolla, California Andrew E. Dizon National Marine Fisheries Service Honolulu Laboratory Honolulu, Hawaii ACADEMIC PRESS NEW YORK SAN FRANCISCO LONDON 1978 A Subsidiary of Harcourt Brace Jovanovich, Publishers COPYRIGHT © 1978, BY ACADEMIC PRESS, INC. ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPY, RECORDING, OR ANY INFORMATION STORAGE AND RETRIEVAL SYSTEM, WITHOUT PERMISSION IN WRITING FROM THE PUBLISHER. ACADEMIC PRESS, INC. Ill Fifth Avenue, New York, New York 10003 United Kingdom Edition published by ACADEMIC PRESS, INC. (LONDON) LTD. 24/28 Oval Road, London NW1 7DX Library of Congress Cataloging in Publication Data Tuna Physiology Workshop, Southwest Fisheries Center, 1977. The physiological ecology of tunas. Proceedings of the Tuna Physiology Workshop held at the National Marine Fisheries Service Southwest Fisheries Center at La Jolla, Calif., Jan. 10-15, 1977, and cosponsored by the Center, Hubbs-Sea World Research Institute, and the Inter-American Tropical Tuna Commission. Bibliography: p. 1. Tuna—Physiology—Congresses. 2. Bioenergetics— Congresses. 3. Body temperature—Regulation— Congresses. 4. Fishes—Physiology- Congresses. I. Sharp, Gary D. II. Dizon, Andrew E. III. Southwest Fisheries Center. IV. Hubbs-Sea World Research Institute. V. Inter-American Tropical Tuna Commission. VI. Title. QL638.S35T85 1977 597'.58 78-26514 ISBN 0-12-639180-7 PRINTED IN THE UNITED STATES OF AMERICA 78 79 80 81 82 9 8 7 6 5 4 3 2 1 Contents List of Contributors ix Foreword xi Preface xiv Color Plates XV Chapter 1 The Tunas 1 I. Introduction 3 II. Adaptations and Systematics of the Mackerels and Tunas Bruce B. Collette 7 III. The Distribution of Red and White Swimming Muscles, Their Biochemistry, and the Biochemical Phylogeny of Selected Scombrid Fishes Gary D. Sharp and Suellen W. Pirages 41 Chapter 2 The Cardiovascular and Respiratory System 79 I. Introduction 81 II. Ram Gill Ventilation in Fish John L. Roberts 83 III. Functional Cardiac Morphology and Biochemistry in Atlantic Bluefin Tuna Bruno Tota 89 IV. Comparative Morphology of the Central Heat Exchangers in the Skipjacks Katsuwonus and Euthynnus Jeffrey B. Graham and Douglas R. Diener 113 V. Estimates of Blood Volume in the Albacore Tuna R. Michael Laurs, Richard J. Ulevitch, and David C. Morrison 135 V vi Contents VI. Activity of Albacore Serum Complement Reflects Its Thermoregulatory Capacity David C. Morrison, R. Michael Laurs, and Richard J. Ulevitch 141 Chapter 3 The Intermediary Metabolism, Biochemistry, and Swimming Muscle Ultrastructure of Tunas 151 I. The Tuna Power Plant and Furnace Peter W. Hochachka, William C. Hulbert, and Michael Guppy 153 II. Skipjack Tuna White Muscle: A Blueprint for the Integration of Aerobic and Anaerobic Carbohydrate Metabolism Michael Guppy and Peter W. Hochachka 175 III. Myotomal Muscle Fiber Types in Scomber and Katsuwonus Quentin Bone 183 Chapter 4 Thermal Biology of the Tunas 207 I. A Historical Introduction to the Study of Warm-Bodied Tuna E. Don Stevens 209 II. The Relation between Heat Generation, Conservation, and the Swimming Energetics of Tunas Gary D. Sharp and William J. Vlymen III 213 III. Correlations between Environment, Physiology, and Activity and the Effects on Thermoregulation in Skipjack Tuna Andrew E. Dizon, Richard W. Brill, and Heeny S. H. Yuen 233 IV. Body Surface and Gill Heat Loss Rates in Restrained Skipjack Tuna Richard W. Brill, Duane L. Guernsey, and E. Don Stevens 261 V. Temperature Effects on Speeds of Muscle Contraction and Stasis Metabolic Rate Richard W. Brill 277 Chapter 5 Hydrodynamics and Hydromechanics 285 I. Introduction 287 Contents vii II. Estimation of Minimum Sustained Speed and Associated Body Drag of Scombrids John J. Magnuson and David Weininger 293 III. A Comparative Mechanophysiological Study of Fish Locomotion with Implications for Tuna-Like Swimming Mode Theodore Y. Wu and George T. Yates 313 Chapter 6 The Energetics of Tunas 339 I. Introduction 341 II. Fat Deposition and Utilization in Albacore Ronald C. Dotson 343 III. Bioenergetic Spectra of Skipjack and Yellowfin Tunas James F. Kitchell, William H. Neill, Andrew E. Dizon, and John J. Magnuson 357 IV. Preliminary Models of Annual Life History Cycles of the North Atlantic Bluefln Tuna Luis R. Rivas 369 Chapter 7 The Practical Application of Tuna Physiology Studies 395 I. Behavioral and Physiological Properties of Tuna and Their Effects on Vulnerability to Fishing Gear Gary D. Sharp 397 II. Perspectives: The Past, Present, and Future of Tuna Physiology Andrew E. Dizon and Gary D. Sharp 451 References 459 This page intentionally left blank List of Contributors Numbers in parentheses indicate the pages on which authors’ contributions begin. Quentin Bone (183), Marine Biological Association of the United King dom, Citadel Hill, Plymouth, England Richard W. Brill (233, 261, 277), Department of Physiology, University of Hawaii, Honolulu, Hawaii 96812 Bruce B. Collette (7), National Marine Fisheries Service Systematics Laboratory, National Museum of Natural History, Washington, D.C. 20560 Douglas R. Diener (113), Marine Ecological Consultants, P.O. Box 985, Del Mar, California 92014 Andrew E. Dizon (233, 357, 451), National Marine Fisheries Service Hon olulu Laboratory, P.O. Box 3830, Honolulu, Hawaii 96812 Ronald C. Dotson (343), National Marine Fisheries Service Southwest Fisheries Center, P.O. Box 271, 8604 La Jolla Shores Drive, La Jolla, California 92037 Jeffrey B. Graham* (113), Smithsonian Tropical Research Institute, De partment of Zoology, San Diego State University, San Diego, California 92015 Duane L. Guernsey (261), Department of Physiology, University of Hawaii, Honolulu, Hawaii 96812 Michael Guppy (153, 175), Department of Zoology, University of British Columbia, Vancouver, B.C., Canada V6T1W5 Peter W. Hochachka (153, 175), Department of Zoology, University of British Columbia, Vancouver, B.C., Canada V6T1W5 William C. Hulbert (153), Department of Zoology, University of British Columbia, Vancouver, B.C., Canada V6T1W5 James F. Kitchell (357), Laboratory of Limnology, University of Wiscon sin, Madison, Wisconsin 53706 *Present address: M.R.C. Fish Program, 533 Stevens Avenue, Solana Beach, Califor nia 92075. ix