Top-quality, close-up photographs of each species (in some cases including juvenile or sub-adult variants) are accompanied by detailed information listing identifying features, size, biology and distribution. The introductory section focuses on specific types of behaviour, such as mimicry, cleaning stations and the symbiotic relationships between various species. The species descriptions that follow are grouped in three chapters on fishes, invertebrates, and reptiles and sea mammals.

Covering Mauritius, Seychelles, the Maldives, Sri Lanka, Thailand, Malaysia, Indonesia, the Philippines, Australia, Micronesia, Melanesia and Polynesia and describing over 800 species, this book is an invaluable identification guide.