McDowall, Robert M. 1939- Diaromy in fishes : migrations between freshwater and marine environments / Robert M. McDowall - London : Croom Helm, 1988 - ix , 308 p. : ill. ; 24 cm. Includes bibliographies references and indexes ISBN: 0709955030 LCCN: 88-004888 Subjects--Topical Terms: Fishes--Migration