Pacific White-Sided Dolphin, Lagenorhynchus obliquidens. These dolphins reach a approximately 7 ft. in length and are often found in pods up to 100 individuals. They range up and down the West coast from Northern Baja to Alaska (and as far as Japan, where they are occasionally caught for food...). They live on schooling fish such as anchovies and squid and supposedly feed at night. This one was passing by to take a peak.