The Biggest Sea Creature : Blue Whale : Best Documentary 2017
The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whales (Mysticeti).[3] At up to 29.9 metres (98 ft) in length and with a maximum recorded weight of 173 tonnes (191 short tons)[4] and probably reaching over 181 tonnes (200 short tons), it is the largest animal known to have ever existed.
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