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Pygmy blue whale males average 83.5 tonnes (184,000 lb) to 99 tonnes (218,000 lb). [54] The weight of the heart of a stranded North Atlantic blue whale was 180 kg (400 lb), the largest known in any animal. [55] The record-holder blue whale was recorded at 173 tonnes (190 short tons), [56] with estimates of up to 199 tonnes (220 short tons). [57]
Size of Paraceratherium (dark grey) compared to a human and other rhinos (though one study suggests Palaeoloxodon namadicus may have been a larger land mammal). The blue whale is the largest mammal of all time, with the longest known specimen being 33 m (108.3 ft) long and the heaviest weighted specimen being 190 tonnes.
Otodus megalodon (/ ˈ m ɛ ɡ əl ə d ɒ n / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Early Pliocene epochs.
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When full grown, the rainbow smelt is between 7 and 9 inches (18 and 23 cm) long and weighs about 3 ounces (85 g). Individuals over 12 inches (30 cm) long are known. [111] Bony-tongued fish (Osteoglossiformes) The largest species is the South American fish usually known as the arapaima (Arapaima gigas). The maximum size this species can attain ...
The pygmy blue whale is the only one of the three identifiable subspecies to be found regularly in tropical waters. It occurs from the sub-Antarctic zone to the southern Indian Ocean and southwestern Pacific Ocean, breeding in the Indian and South Atlantic oceans, and travelling south to above the Antarctic to feed, [4] [7] although they very rarely cross the Antarctic Convergence.
A beaked whale is any of at least 22 species of whale in the family Ziphiidae. Several species have only been described in the last two decades. Six genera have been identified. They possess a unique feeding mechanism among cetaceans known as suction feeding. They are characterized by having a lower jaw that extends at least to the tip of the ...
An underwater photographer who got up close and personal with a massive blue whale says the experience left him feeling awestruck — and incredibly small. Stunning photo shows diver's close ...