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Which sea animal is the largest in the world?

Quick Answer

The blue whale is the largest animal ever known, and it can grow to around 30 meters long and more than 150 tonnes.

The Full Story

The blue whale is the largest animal known to have ever lived, and it is also the largest living sea creature today. Adults can reach roughly 30 meters in length and masses of more than 150 tonnes. It feeds almost entirely on tiny krill, filtering enormous quantities of water through baleen plates. Its size, heart and lungs are all adapted for life in the open ocean.

Key Facts

1.Can reach about 30 meters in length
2.Can weigh more than 150 tonnes
3.Feeds mainly on krill

YouTube Angle

Suggested video title for this topic:

"The biggest animal on Earth still eats some of the smallest ocean life."

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