CONTENTS 



Page 



Introduction 1 



Field operations 2 



General 2 



Obtaining experimental material 2 



Holding and grading live shrimp 3 



Mass-marking techniques 4 



Equipment (shore-based) 4 



Equipment (shipboard) 6 



Staining instruments 6 



Staining procedure 6 



Marking rate 7 



Release of marked shrimp 7 



Stains and staining solutions 7 



Kinds and quality 7 



Solvents and dilution 9 



Standardizing solutions 9 



Tolerance to stains 10 



Optimum staining levels 10 



Recovering marked shrimp 11 



Summary 11 



Acknowledgment 12 



Literature cited 12 



