Alaska plaice feed mostly on polychaetes , but also eat amphipods and echiurans .
Their geographic range is from the Gulf of Alaska in the east , to the Chukchi Sea in the north , to the Sea of Japan in the west .
Gulf of Alaska plaice feed mostly on polychaetes , but also eat amphipods and echiurans .
Their geographic range is from the Gulf of Alaska in the east , to the Chukchi Sea in the north , to the Sea of Japan in the west .