An adult blue whale can eat up to 40 million krill in a day. They use their small, hair-like legs to filter out these microscopic algae that bloom in the nutrient-rich waters around Antarctica. Fortunately for the krill and the Antarctic ecosystem , krill go off very quickly after being caught, the Antarctic is a long way away and consumer interest remains fairly low (krill aren't very nice for people to eat). The whales always feed in the areas with the highest concentration of krill, sometimes eating up to 3,600 kilograms (7,900 lb) of krill in a single day.

The main diet of the krill is phytoplankton, which are plant-based microscopic organisms. How do animals eat krill? The main phytoplankton eaten by krill are diatoms, which are algae that consist of only one cell. Antarctic krill are filter feeders that eat tiny phytoplankton (pelagic algae). Female Antarctic krill lay up to 10,000 eggs at a time, sometimes several times a season. Krill are small crustaceans resembling shrimp that are found primarily in the Arctic and Antarctic oceans. Antarctic krill provide a vital food source for whales, seals, ice fish, and penguins. Zooplankton does offer a source of protein to the krill. No, tuna fish do not eat krill. Most species of krill are filter feeders, which means that they strain food particles from seawater. Part of the decline is almost certainly due to climate change, but other factors include increased commercial fishing and disease. Source: For their own meals, Antarctic krill eat small plants like phytoplankton, as well as algae under the surface of sea ice. Some animals that eat krill are penguins, fish, some species of whales, and squid. Whales eat them whole so they get the meat, the shell, and the guts, which together contain protein, calcium, and every vitamin and mineral they need to keep healthy. While krill may last over a hundred days without food, if there isn't enough ice, they eventually starve. Ashish 11 Nov 2017 (Updated: 10 Feb 2020) The name ‘whale’ almost immediately conjures up the image of a mammoth sea creature splashing in the waters of the ocean. Krill have a hard exoskeleton, many legs which they use to swim and eat, and a segmented body. read more. Population Antarctic krill are one of the most abundant animal species , there are about 500 million tons of krill in the Southern Ocean . Some scientists estimate Antarctic krill populations have fallen 80% since the 1970s. The daily energy requirement of an adult blue whale is in the region of 1.5 million kilocalories (6.3 GJ). 0 0.

Most species of krill are filter feeders, which means that they strain food particles from seawater. Antarctic krill eat algae that grows beneath the sea ice. What do krill eat? Krill is harvested by the Norwegians with smaller amounts by Japan, Russia and other nations. The eight different species of whale that live in Antarctic waters may be the largest consumers of krill, both in terms of the size of the animal and the amount of krill consumed. In fact, they are so nutritious that if you supplement some vitamin C, you could live off whole krill too. What do krill eat? Eating krill “makes sense nutritionally,” said Marie-Sophie Whitney, senior nutrition adviser at the humanitarian group Action Against Hunger. These animals depend on eating large quantities of krill for survival in the harsh climate. How Do Whales Survive By Eating Krill? Krill feed on phytoplankton, microscopic, single-celled plants that drift near the ocean’s surface and live off carbon dioxide and the sun’s rays. Krill are mostly herbivorous although they do eat zooplankton when given the opportunity.

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