This book “Fish Taxonomy” has been designed to help the study fish diversity and fish identification to understand the subject easily also get the practical information about fish identifications keys. The book is planned to fulfil the long felt need of fishery science students and also for Research student at the graduate, post-graduate and Ph.D. level of all Indian universities. It is written in most simple and articulate language supplemented with well-illustrated diagram and photographs. The book has been divided into four sections. The first is an introductory section describing the terminology and general descriptions of fish taxonomy. Then second section is fish identifications keys in which give the information about how fishes identified accurately. Third sections: fish Taxonomy sections have been classified fishes in different family, description and their occurrence then next fourth section is references.This book is adequately illustrated well labelled diagram with coloured images of fishes. In fact, no pains have been spared to make the book as attractive and appealing to the students and researchers as possible and author hopes that he has been able to provide a complete guide to students, which will not only be help in their class-work but will also give them better understand of the fish taxonomy and related research. The book should be equally useful to teachers and research students, the author would feel amply rewarded for his efforts.