Rooplekha Das
The largest penguin species in the world, the emperor penguin is found only in Antarctica. Standing up to four feet tall, these remarkable birds are expert divers, capable of plunging hundreds of feet beneath the icy waters in search of fish and squid.
The southern elephant seal is Antarctica's largest seal, with adult males weighing several tonnes. During the breeding season, dominant males battle fiercely for the chance to lead large harems, making them one of the continent's most formidable marine mammals.
Named for its spotted coat and fierce hunting skills, the leopard seal is one of Antarctica's top predators. Besides feeding on krill, it also preys on penguins, fish, and even other seals, making it a powerful hunter of the Southern Ocean.
Known for their distinctive underwater calls, Weddell seals spend much of their lives around Antarctica's sea ice. They are exceptional divers and often remain close to the areas where they were born throughout their lives.
Recognisable by its striking black-and-white markings that resemble an hourglass, this playful dolphin inhabits the icy waters surrounding Antarctica. It is commonly seen travelling in small pods, though larger groups have occasionally been spotted.
With the largest wingspan of any bird, stretching up to 11 feet, the wandering albatross is a master of effortless flight. It can glide across the Southern Ocean for hours without flapping its wings, covering vast distances with ease.
Discovered only in 2005, the yeti crab is covered in pale, hair-like bristles that harbour bacteria, its primary food source. It thrives around deep-sea hydrothermal vents, making it one of Antarctica's most unusual marine creatures.
The Antarctic toothfish has evolved a remarkable natural antifreeze in its blood, allowing it to survive in freezing waters. This deep-sea fish is a vital part of the Antarctic marine ecosystem and an important prey species for orcas and seals.