Atsushi Ono is a long term resident of the Kerama Islands, a series of islands located 30 ~ 40 kilometers west of the Okinawa capitol, Naha. There are four main islands in the Kerama Islands: Tokashiki, Zamami, Aka, and Geruma, as well as many small uninhabited islands. Ono-san was born in Fukushima Prefecture (Mainland Japan) but he has been living on Zamami Island in the Kerama Islands for fourteen years. He has been diving for over twenty-two years (approximately twenty years experience as an underwater photographer) and he is a Japanese Three-I SCUBA Instructor. He is the author of the popular Opisthobranchs of Kerama Islands, and Opisthobranchs of the Ryukyu Islands listed below.
Ono-san's camera preferences are as follows:
Each photograph in the book has an English caption with the Latin name, authority, locality, as well as size; for Japanese readers there is a short species account for each animal. Bill Rudman has a review of this book on the Sea Slug Forum and the book is available from several on-line sources, including the following: