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Balaenoptera sibbaldii Sars 1875. The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed. [ a ] The blue whale's long and slender body can be of various shades ...
Krill(Euphausiids)[ 1 ] (sg.: krill) are small and exclusively marine crustaceans of the order Euphausiacea, found in all the world's oceans. [ 2 ] The name "krill" comes from the Norwegian word krill, meaning "small fry of fish", [ 3 ] which is also often attributed to species of fish. Krill are considered an important trophic level connection ...
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. Baleen is similar to bristles and consists of keratin, the same ...
Baleen whales (/ bəˈliːn /), also known as whalebone whales, are marine mammals of the parvorder Mysticeti in the infraorder Cetacea (whales, dolphins and porpoises), which use keratinaceous baleen plates (or "whalebone") in their mouths to sieve planktonic creatures from the water. Mysticeti comprises the families Balaenidae (right and ...
Antarctic krill is the keystone species of the Antarctic ecosystem beyond the coastal shelf, [22] and provides an important food source for whales, seals (such as leopard seals, fur seals, and crabeater seals), squid, icefish, penguins, albatrosses and many other species of birds. Crabeater seals have even developed special teeth as an ...
The blue whale was not the only marine life passengers saw on the trip. Laurino said they observed about 20 fin whales, pilot whales, several dolphin species, a manta ray that breached the surface ...
The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.