The finless porpoise is a marine mammal. It is a species related to dolphins and whales. It lives in shallow water on the coast of Asia from the Persian Gulf to Japan. It also lives in Yangtze, Gan and Xiang rivers. Unlike other dolphins, it lacks a dorsal fin.
Yangtze finless porpoise in the Institute of Hydrobiology, Chinese Academy of Sciences, on February 12, 2008.
Stamps of Indonesia
상괭이의 숭어 사냥