They … 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. They're not vegetarians. 1 decade ago. whales that eat krill, ... only the whales know. The blue whale, which is one of the largest whales, can eat up to 8,000 pounds of krill in a day. 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. And tons, and tons, and tons. At the time of the survey, fin whales fed in an area dominated by Thysanoessa macrura. For example, in the northern region of the Atlantic Ocean, the species of krill available include Meganyctiphanes norvegica , Thysanoessa longicaudata , and Thysanoessa raschii . Eating this much krill helps them to store fat for the winter, this fat is known as blubber. 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. At least, that's one explanation. These whales can eat up to 8,000 lbs of krill each day. Krill (Euphausia superba) represent a critical component of the Antarctic food web, providing food for fish, whales, seals, penguins, albatross … Actually, up to 4 tons per day, depending on the size of the whale and the concentration of the krill in the ocean it has available to swim through. Only some Whales eat Krill, and those that do are called Baleen Whales. The type of krill that the whales feed on depends significantly on location. Other whales don't eat krill at all: sperm whales hunt squid at the bottom of the ocean. Whales are divided into two suborders — toothed and baleen whales — and each eats very different kinds of food. because whales eat tons a day, larger prey could easily dodge a whale, but krill and shrimp could gather in clouds that quickly add up to tons, and aren't that fast in over all straight line speed, 1 0. Whales that eat krill include baleen whales like the blue and gray whales. Whales that eat krill include baleen whales like the blue and gray whales. 0 0. eyesinthedrk. Tons. Lv 6. The reason krill do this is to minimize potential threats from predators while they feed near the surface. The relationship between whales and the krill they feed on is not a simple one. Since the blue whales prey migrates toward deeper waters during the day time most hunting takes place around 300 ft. underneath the water. Only the whales feed on several species of copepods is known as blubber in area. This much krill helps them to store fat for the winter, this is! 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