The present book reflects the present scenario of Aquatic Biodiversity in India. The book includes 22 chapters contributed by eminent scientists, researchers and teachers, who all are leading authorities in the field of aquatic biodiversity. The book covers in depth analysis of aquatic flora and fauna, their present status in India, various threats to them and their conservation measures. The book forms a useful contribution for Limnologists, Zoologists, Botanists, Microbiologists, Environmentalists, Researchers, students of PG level and for the people engaged in the field of aquatic biodiversity.