Thorny and smooth skates
By: [text, W.D. McKone and E.M. LeGrow]
Contributors: LeGrow, E. M.; Canada. Dept. of Fisheries and Oceans. Communications Directorate.
Series: Underwater world; Underwater world (Ottawa, Ont.)
Publisher: Communications Directorate, Dept. of Fisheries and Oceans
Published: 1983
Place of publication: Ottawa, Ont
Language: eng
Subjects: Skates (Fishes); Thorny skate
Notes: Cover title.

Includes bibliographical references (p. 5)