This is the most comprehensive and fully illustrated guide to the tadpoles of Bornean frogs available. The book presents tadpole descriptions for 99 species from the southeast Asian island of Borneo, covering all species commonly found, as well as representatives of the more cryptic ones. Almost all presented species are depicted from life with colour photographs, mostly for the first time. The aims of this book are to allow a broad audience easy access to the tadpole fauna of Borneo, increase awareness of these life stages, document their diversity, and provide insights into their fascinating biology.