Helfman, Gene S. The diversity of fishes / Gene S. Helfman, Bruce B. Collette, Douglas E. Facey. - Malden, Mass. : Blackwell Science, c1997. - xii, 528 p. : ill. ; 29 cm. Includes bibliographical references (p. 471-507) and index. ISBN: 0865422567 LCCN: 96051651 Subjects--Topical Terms: Fishes--Variation.Fishes--Adaptation. LC Class. No.: QL615 / HEL 1997 Dewey Class. No.: 597