A tiny parasite is leading Australian scientists to rethink how they view Antarctic food chains, after a research showed these microscopic organisms were present in quantities far larger than ...

Many of these species play vital roles in the Antarctic ecosystem, balancing the delicate food chain. For example, the Antarctic toothfish is not just a major predator but also a crucial link in ...

Krill is a vital part of the Antarctic food chain, and overfishing could have severe consequences for the ecosystem. Look for products that are certified by organizations like the Marine ...

Adélie penguins are a vital part of the Antarctic food chain – they eat tiny creatures like krill and small fish, and are a source of food for predators like leopard seals and killer whales. By ...

Krill, small, shrimplike sea creatures, sit close to the base of the Antarctic food chain and rely on plankton that grows beneath sea ice. Less sea ice means less plankton and fewer krill.