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Blue near the surface after feeding. The blue whale's diet consists almost exclusively of krill. [35] Blue whales capture krill through lunge feeding; they swim towards them at high speeds as they open their mouths up to 80°. [35] [71] They may engulf 220 metric tons (220 long tons; 240 short tons) of water at one time. [75]
Its diet is mainly comprised of krill and small crustaceans, along with the occasional small fish. To feed, a blue whale will swim up towards a shoal of prey as the pleats in its neck allow its ...
Blue whales eat almost 9,000 pounds of krill daily, and when it's their feeding season, they eat up to 40 million krill a day. Treehugger also shared this cool fact, "Blue whales, in fact, are the ...
Baleen is a filter-feeding system inside the mouths of baleen whales. To use baleen, the whale first opens its mouth underwater to take in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale.
Krill are also used for human consumption in several countries. They are known as okiami (オキアミ) in Japan and as camarones in Spain and the Philippines. In the Philippines, they are also called alamang and are used to make a salty paste called bagoong. Krill are also the main food for baleen whales, including the blue whale.
Image credits: unusuals86 Called lunge feeding, it allows blue whales to consume a large amount of food at a time, providing the nutrients and energy needed to reach such enormous size.
A few are specialists. Examples include the blue whale, which eats almost exclusively krill, the minke whale, which eats mainly schooling fish, the sperm whale, which specialize on squid, and the grey whale which feed on bottom-dwelling invertebrates.
Rorquals (/ ˈ r ɔːr k w əl z /) are the largest group of baleen whales, comprising the family Balaenopteridae, which contains nine extant species in two genera.They include the largest known animal that has ever lived, the blue whale, which can reach 180 tonnes (200 short tons), and the fin whale, which reaches 120 tonnes (130 short tons); even the smallest of the group, the northern minke ...