Nudibranchs of the Coral Triangle became the only guide to nudibranchs on the market with an up-to-date 2022 taxonomy after its major update (November 2022) This book is a field guide, an assistant for the identification of nudibranchs species in the region. It is designed for divers, underwater photographers. The book presents 1060+ species nudibranchs that can be found and photographed in depths and regions accessible to recreational diving. Photographs, showing color variations and age differences are included. A lot of species covered by this guide have never before appeared in field guides or popular books. Compact text blocks provide information about Common name, Latin name, family, geographic distribution, size, and the most distinctive features. An extensive photo index at the beginning of the book helps you to find the right group of nudibranchs, especially for readers who have not yet mastered their names. Nudibranchs or sea slugs occur throughout the world’s oceans and are present in many marine habitats. The greatest diversity of species is found in the Indo-Pacific tropics with a concentration of species within the Coral Triangle (CT), encompassing the waters of six Southeast Asian countries: Indonesia, Papua New Guinea, Philippines, Malaysia, Timor-Leste and Solomon Islands. This global epicenter of marine biodiversity covers only 1.6 percent of the planet’s oceanic area, but attracts an increasing number of divers and underwater photographers, including nudibranch lovers.

With almost every fish included that is likely to be seen by divers, from the beginner to the most experienced, and illustrated with superb underwater photographs, this book is the perfect guide to check on the mystery fish seen during the dive. The pages are packed with photographs and the book is a handy size to carry to the dive locations. The species that vary in colour or between sexes are all illustrated with additional photographs. Whilst text for each species is brief, it describes points of interest and differences between similar species. The introduction explains the basics of fish-science, behaviour and evolution. There are detailed drawings on fish-features, shapes and colour patterns. To assist in identifying the family, small, but diagnostic silhouettes from the contents are distributed as thumbprints throughout the book. The families being colour coded.