This book contains a long-overdue treatment of the marine fish fauna of the region extending from the central Gulf of California, southward to Ecuador, including the offshore Revillagigedos, Cocos, and Galapagos island groups.
Gerald R. Allen served as Senior Curator of Fishes at the Western Australian Museum in Perth and is an international authority on the classification of coral reef fishes. Since leaving the Museum in 1997, he has worked as a private consultant, primarily involved with coral reef fish surveys in Southeast Asia for Conservation International.