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Which animals depend on krill in the Drake Passage?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map showing the Drake Passage, the body of water between the southern tip of South America and the Antarctic Peninsula. The passage is labeled in orange and is situated between Cape Horn and Antarctica, with surrounding seas and islands such as the South Shetland Islands and South Georgia also marked. A small inset map in the upper right highlights the location of the Drake Passage relative to the continent of Antarctica.
Drake Passage

In the Drake Passage, krill are a vital food source for a variety of animals. These shrimplike crustaceans are the primary prey for blue whales and finback whales. Additionally, krill are essential for the survival of certain penguin species, fish, and crabeater seals in the Antarctic region.12