The Physiological Ecology of Tunas

The Physiological Ecology of Tunas

1st Edition - January 28, 1979

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  • Editor: Gary Sharp
  • eBook ISBN: 9780323147576

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The Physiological Ecology of Tunas documents the 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 contributions made by researchers at the workshop are organized into seven chapters. The first chapter includes studies on the morphological diversity and muscle-tissue-specific enzymatic attributes of scombrids. Papers in the second chapter deal with the integrated aspects of tuna behavior and capabilities that result from their complex cardiovascular system. The third chapter contains studies on skipjack tuna white muscle and the locomotor muscles of Scomber and Katsuwonus. The fourth chapter focuses on the thermal biology of tunas while the fifth chapter examines the hydromechanics of tuna propulsion. The sixth chapter provides information on energetic costs of tunas, and observations on physiological demands and correlates. It culminates with a conceptual model for the complex life cycle of the extant "ultimate tuna," the Atlantic bluefin tuna. The seventh chapter discusses applications of tuna physiology studies.

Table of Contents

  • List of Contributors



    Color Plates

    Chapter 1 The Tunas

    I. Introduction

    II. Adaptations and Systematics of the Mackerels and Tunas

    III. The Distribution of Red and White Swimming Muscles, Their Biochemistry, and the Biochemical Phylogeny of Selected Scombrid Fishes

    Chapter 2 The Cardiovascular and Respiratory System

    I. Introduction

    II. Ram Gill Ventilation in Fish

    III. Functional Cardiac Morphology and Biochemistry in Atlantic Bluefin Tuna

    IV. Comparative Morphology of the Central Heat Exchangers in the Skipjacks Katsuwonus and Euthynnus

    V. Estimates of Blood Volume in the Albacore Tuna

    VI. Activity of Albacore Serum Complement Reflects Its Thermoregulatory Capacity

    Chapter 3 The Intermediary Metabolism, Biochemistry, and Swimming Muscle Ultrastructure of Tunas

    I. The Tuna Power Plant and Furnace

    II. Skipjack Tuna White Muscle: A Blueprint for the Integration of Aerobic and Anaerobic Carbohydrate Metabolism

    III. Myotomal Muscle Fiber Types in Scomber and Katsuwonus

    Chapter 4 Thermal Biology of the Tunas

    I. A Historical Introduction to the Study of Warm-Bodied Tuna

    II. The Relation between Heat Generation, Conservation, and the Swimming Energetics of Tunas

    III. Correlations between Environment, Physiology, and Activity and the Effects on Thermoregulation in Skipjack Tuna

    IV. Body Surface and Gill Heat Loss Rates in Restrained Skipjack Tuna

    V. Temperature Effects on Speeds of Muscle Contraction and Stasis Metabolic Rate

    Chapter 5 Hydrodynamics and Hydromechanics

    I. Introduction

    II. Estimation of Minimum Sustained Speed and Associated Body Drag of Scombrids

    III. A Comparative Mechanophysiological Study of Fish Locomotion with Implications for Tuna-Like Swimming Mode

    Chapter 6 The Energetics of Tunas

    I. Introduction

    II. Fat Deposition and Utilization in Albacore

    III. Bioenergetic Spectra of Skipjack and Yellowfin Tunas

    IV. Preliminary Models of Annual Life History Cycles of the North Atlantic Bluefin Tuna

    Chapter 7 The Practical Application of Tuna Physiology Studies

    I. Behavioral and Physiological Properties of Tuna and Their Effects on Vulnerability to Fishing Gear

    II. Perspectives: The Past, Present, and Future of Tuna Physiology


Product details

  • No. of pages: 512
  • Language: English
  • Copyright: © Academic Press 1979
  • Published: January 28, 1979
  • Imprint: Academic Press
  • eBook ISBN: 9780323147576

About the Editor

Gary Sharp

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