This book addresses the needs of professional and amateur taxonomists on the subject of ascidians in Asia. This is the first book of its kind and features color illustrations done by the authors in Asia. This book provides a brief overview of ascidians in addition to both the taxonomy and distribution of ascidians along India’s southern coast. It also opens a new arena for marine researchers in the field of ascidians in Asia. This book is the outcome of the authors’ 15 years of research experience in the field of ascidians, making it very helpful for researchers, coastal planners, port authorities and the proper management of coastal thermal plants and atomic power plants.