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Although the crabeater seal is sympatric with the other Antarctic seal species (Weddell, Ross and leopard seals), the specialization on krill minimizes interspecific food competition. Among krill-feeding whales , only blue whales ( Balaenoptera musculus ) and minke whales ( B. acutorostrata ) extend their range as far south as the pack ice ...
The extremely high abundance of crabeater seals in particular, with possibly over 30,000,000 individuals, is a testament to the high productivity of the Southern Ocean, especially with respect to krill. [6] High numbers of seals may also be the indirect result of the wide-scale extermination of large baleen whales in the Antarctic due to ...
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 ...
Currently less than 1% of the estimated 60 million metric tons of krill found in the main Antarctic fishing grounds — an area larger than the U.S. — is being caught.
While krill fishing is banned in U.S. waters due to concerns it could impact whales, seals and other animals that feed on the shrimp-like creatures, it’s been taking place for decades in ...
Euphausia crystallorophias is a species of krill, sometimes called ice krill, [1] crystal krill, [2] or Antarctic coastal krill. [2] It lives in the coastal waters around Antarctica , further south than any other species of krill. [ 2 ]
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