For junior/senior-level courses in Fish Biology/Ecology, Ichthyology, and Fish Physiology.One of the most comprehensive and current general sources of information on fishes, this text covers a broad number of topics such as including the structure and physiology, evolution, otaxanomy, zoogeography, ecology, and conservation of fishes. While providing the basic background of fish biology, the conservation approach and up-to-date coverage conveys the excitement being generated by recent research on fishes.