Has there anything bigger than a blue whale?

The blue whale (Balaenoptera musculus) is the largest known animal to have ever lived. It can grow up to 100 feet (30 meters) long and weigh up to 400,000 pounds (180,000 kilograms). The blue whale's tongue alone can weigh as much as an elephant.

There is no evidence to suggest that there has ever been an animal larger than a blue whale. However, there have been some claims of giant sea creatures that may have been larger than blue whales. One such claim is the Kraken, a legendary sea monster said to inhabit the North Atlantic Ocean. The Kraken is often depicted as a giant squid or octopus, and some stories claim it can grow up to 500 feet (150 meters) long.

There is no scientific evidence to support the existence of the Kraken, or any other giant sea creature larger than a blue whale. However, the vastness of the ocean and the fact that we have only explored a small fraction of it means that it is possible that such creatures could exist.