Antarctic krill, scientifically known as Euphausia superba, are small crustaceans that play a crucial role in the Antarctic ecosystem. They are the most abundant species in the Southern Ocean, with an estimated population of 5.5 trillion individuals. That's more than the total human population on Earth! These tiny creatures are vital to the food chain, as they are the primary food source for many marine animals, including whales, seals, penguins, and fish. In fact, they make up about 50% of...