Walker, Colin, 1936-

Oceans of fish / Colin Walker. - Richmond Hill, Ont. : Scholastic Canada, c1992. - 22 p. : col. ill. ; 26 cm. - Science understandings .

Includes index.

Subjects--Topical Terms:
Marine ecology.
Food chains (Ecology).
Man--Influence on nature.

Dewey Class. No.: j574.5/2636