Whales are divided into two suborders — toothed and baleen whales — and each eats very different kinds of food. The type of krill that the whales feed on depends significantly on location. Since the blue whales prey migrates toward deeper waters during the day time most hunting takes place around 300 ft. underneath the water. They're not vegetarians. Whales that eat krill include baleen whales like the blue and gray whales. These whales eat 8,000 lbs each day for about 120 days, it is estimated that the blue whale’s stomach can take 2,200 lbs of food to fill it. Eating this much krill helps them to store fat for the winter, this fat is known as blubber. These whales can eat up to 8,000 lbs of krill each day. At the time of the survey, fin whales fed in an area dominated by Thysanoessa macrura. The blue whale, which is one of the largest whales, can eat up to 8,000 pounds of krill in a day. Apart from krill, blue whales have also been known to feed on several species of copepods. The Whale opens up its mouth and takes in the Krill along with a huge amount of water. They … 0 0. eyesinthedrk. Only some Whales eat Krill, and those that do are called Baleen Whales. Other whales don't eat krill at all: sperm whales hunt squid at the bottom of the ocean. The blue whale, which is one of the largest whales, can eat up to 8,000 pounds of krill in a day. They have these long, brush-like teeth (but not really teeth) that strain out the millions of Krill, taken in one big gulp, from the water as it is expelled back out of the Whales mouth. And tons, and tons, and tons. whales that eat krill, ... only the whales know. Krill (Euphausia superba) represent a critical component of the Antarctic food web, providing food for fish, whales, seals, penguins, albatross … For example, in the northern region of the Atlantic Ocean, the species of krill available include Meganyctiphanes norvegica , Thysanoessa longicaudata , and Thysanoessa raschii . Tons. 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