CRABS: ANATOMY, HABITAT AND ECOLOGICAL SIGNIFICANCE -- LIBRARY OF CONGRESS CATALOGING-IN-PUBLICATION DATA -- CONTENTS -- PREFACE -- CHAPTER 1. DIFFERENT SPECIES OF CRABBS AN D VIRAL SUSCEPTIBILITY -- ABSTRACT -- 1. INTRODUCTION -- 2. THREE MAJOR VIRAL DISEASES OF CRUSTACEANS -- 2.1. White Spot Disease -- 2.1.1. WSD in Scylla Species -- 2.1.1.1. WSD in Scylla serrata -- 2.1.1.2. WSD in Scylla paramamosain -- 2.1.1.3. WSD in Scylla olivacea -- 2.1.2. WSD in the Other Crab Species -- 2.2. Yellow Head Disease -- 2.2.1. YHD in Scylla Species -- 2.2.1.1. YHD in Scylla Serrata -- 2.3. Taura Syndrome -- 3. VARIATIONS AMONG RESEARCH PROTOCOLS -- 4. POTENTIAL THREATS TO OTHER ANIMAL SPECIES AND THE ECOSYSTEM -- 5. ADVANTAGES OF BETTER UNDERSTANDING OF THE WSD SUBSCEPTIBILITY AMONG CRAB SPECIES -- CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- CHAPTER 2. DEVELOPEMENT OF TRAPPING GEAR AND METHODS FOR SWIMMING CRABS -- ABSTRACT -- INTRODUCTION -- REASONS FOR CHOOSING TRAPS AS HARVESTING GEAR -- TRAP OPERATION -- THE CAPTURE PROCESS -- LURING THE CRAB TO THE TRAP -- Bait -- Sugarcane and Fish Bait Combinations -- Fish Mince in Teabag Bait -- TRAP DESIGN AND CRAB BEHAVIOR -- Exploration around Trap -- Behavior at Entrances -- Fishing Trials -- Escape from Traps -- CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- CHAPTER 3. DISTRIBUTION AND HABITAT OF COLD WATER CRAB SPECIES ON THE GRAND BANK OF NEWFOUNDLAND -- ABSTRACT -- INTRODUCTION -- METHODS -- Specimen and Temperature Collections -- Bottom Classification -- Data Analysis -- RESULTS -- DISCUSSION AND CONCLUSIONS -- REFERENCES -- CHAPTER 4. NUEROSECRETORY STRUCTURE AND GONAD INHIBITING HORMONE IN EYESTALK AND THE PHYSIOLOGY AND BIOCHEMISTRY OF SPERMATOZOA IN ERIOCHEIR SINENSIS -- ABSTRACT -- 1. INTRODUCTION -- 2. NEUROENDOCRINE STRUCTURE OF EYESTALK AND GONAD INHIBITING HORMONE IN E. SINENSIS.

3. THE PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF SPERMATOZOA AN E. SINENSIS -- 3.1. Fractionation of Spermatophore Fractions and the Proteins Analysis in E. Sinensis -- 3.2. Biochemical Characteristic of Sperm Membrane Proteins in E. Sinensis -- 3.3. The Localization of Acid Phosphatase during Spermiogenesis in E. Sinensis -- 3.4. Inducing Factors on Acrosome Reaction of Spermatozoa in E. Sinensis -- CONCLUSION -- REFERENCES -- CHAPTER 5. BEHAVIORAL DIFFERENCES IN FIDDLER CRABS, UCA PUGNAX, FROM CONTAMINATED AND REFERENCE ESTUARIES IN NEW JERSEY -- ABSTRACT -- INTRODUCTION -- MATERIALS AND METHODS -- Study Sites -- Piles Creek (PC) -- Great Bay-Mullica River Estuary (TK) -- Collection and Maintenance -- Activity Budgets in the Lab -- Activity Budgets in the Field -- Feeding Rate in the Field -- Surface Activity -- C and N Analysis -- Predator-prey Experiment -- RESULTS -- Activity Budget in Lab -- Activity Budget in Field -- Feeding Rate in Field -- DISCUSSION -- CONCLUSION -- REFERENCES -- CHAPTER 6. CELLULAR CADMIUM TRANSPORT IN GILLS AND HEPATOPANCREAS OF UCIDES CORDATUS, A MANGROVE CRAB -- ABSTRACT -- INTRODUCTION -- METHODOLOGY -- Animals -- Salines -- Cell Preparation -- Fluorescence Measurements -- Data Acquisition and Collection -- RESULTS -- DISCUSSION -- REFERENCES -- CHAPTER 7. CRAB INFLUENCES ON THE EXPORT OF PLANT DETRITUS FROM SALT MARSHES AND MANGROVES: A REVIEW -- ABSTRACT -- 1. INTRODUCTION -- 2. INFLUENCES ON DETRITUS PRODUCTION -- 2.1. Herbivory -- 2.2. Seed and Propagule Consumption -- 2.3. Sediment Oxygenation via Burrows -- 3. INFLUENCES ON LITTER ACCUMULATION -- 3.1. Detritivory -- 3.2. Detritus Excavation and Burial -- 4. INFLUENCES ON DETRITUS TRANSPORT -- 4.1. Detritus Trapping into Burrows -- 5. CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- INDEX.