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The largest animal in the sea is actually the blue whale.

(a marine MAMMAL) at 98 feet in length. The Blue whale (Balaenoptera musculus) is the largest animal species this Earth has ever known to have existed.

there could be others at the bottom of the oceans or elusive of humans or probes.

Fully grown, these great creatures reach a length of over 30 metres and weigh as much as twenty-four large elephants, or more than 1,500 men. The heart of a blue whale is more than a metre in diameter.

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7y ago

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