Essential fish

"This book highlights 22 . . . fish species found in oceans, rivers, lakes, and streams. These fish encompass species from Agnatha, Chondrichthyes, and Osteichthyes groupings, including the eel-like Pacific hagfish that slithers across the muddy ocean floor, the great white shark that rules the ocean as the biggest predatory fish, and the . . . blue tang that darts in between . . . coral. The species are presented alphabetically by their common names"--Page 11.