What is the largest animal in the world?

A Fin whale
B Minke whale
C Blue whale

The blue whale is the largest animal to have ever existed on Earth. These marine mammals can reach lengths of up to 30 metres and weigh as much as 200,000 kilograms. Blue whales are also known for their distinctive bluish grey colour, and filter-feeding behaviour, primarily consuming krill and small fish.

The correct answer is Blue whale.