Guide to the Manta and Devil Rays of the World

Includes detailed information on the identification, characteristics, threats and distribution for each of the species within this family of rays. Illustrated with over 200 beautiful colour photos, drawings and plates, an expansive introduction packed full of useful information on general taxonomy, biology and behaviour.

Include informatii detaliate despre identificarea, caracteristicile, amenintarile si distributia pentru fiecare dintre speciile din aceasta familie de raze. Ilustrata cu peste 200 de fotografii colorate, desene si placi frumoase, o introducere expansiva plina de informatii utile despre taxonomie generala, biologie si comportament.