Pacific White Sided Dolphin
WEIGHT about 150kg
Pacific White Sided dolphin live mostly off the North Pacific Ocean. But occasionally miglate to the coastline of Japan.
It can be observed even in the Nemuro Strait where the sea water temprature is relatively law..They eat mainly small fish and have big dosal fin resemble to sickle for agricultuer
There for it is called "KAMA-IRUKA"in Japanese.