Knowlton, Nancy.
Citizens of the sea : wonderous creatures from the census of marine life / Nancy Knowlton. - Washington, D.C. : National Geographic Society, c2010. - 209 p. : col. ill. ; 21 cm.
Includes index.
9781426206436 (hardcover : alk. paper) 1426206437 (hardcover : alk. paper)
2010012894
Marine animals--Behavior.
Marine ecology.
Citizens of the sea : wonderous creatures from the census of marine life / Nancy Knowlton. - Washington, D.C. : National Geographic Society, c2010. - 209 p. : col. ill. ; 21 cm.
Includes index.
9781426206436 (hardcover : alk. paper) 1426206437 (hardcover : alk. paper)
2010012894
Marine animals--Behavior.
Marine ecology.