Some dolphin species can eat up to 30 pounds of fish per day when adults. Their favorite prey and hunting techniques vary among species and habitats.
Bottlenose dolphins eat fish and squid like most of the popular dolphins eat.
There are 15 species of herring but the most common is the Atlantic Herring.
Spinner dolphins eat several kinds of fish, jellyfish, squid, krill and some kinds of snails without shell
Pacific white sided dolphins can be found in the temperate waters of the pacific from baja, Mexico to Alaska, therefore it eats some of the common species of fish in these regions