This book titled as “Biochemical, Histochemical and Haematological studies on some Elasmobranch Fishes (Sharks, Skates and Rays)” has been designed as a text for Students, Professionals and particularly young research scholars pursuing careers in the field of Marine technology, Zoology, Bio-chemistry and Life sciences. It included new and expanded coverage of various parameters of Marine Elasmobranch Fishes. The content of this book sequentially is divided into three parts giving a detailed account of Biochemistry, Histochemistry and Haematology of Elasmobranch fishes. Salient Features: •Overview about Elasmobranch fishes •Bio-chemical aspects (Urea and enzyme system, Proteins & Amino acids, Lipids, Carbohydrates and Minerals) on Sharks, Skates and Rays. •Histology and Histo-chemical analysis •Haematological Observations on Elasmobranch Fishes.