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Size comparison of the great white and whale shark to estimates for megalodon Proportions of megalodon at lengths of 3 m (10 ft), 8 m (26 ft), and 16 m (52 ft), extrapolated from extant relatives, with a 1.65 m (5 ft 5 in) diver
Some balaenopterids perhaps rivaled the blue whale in terms of size, [114] though other studies disagree that any baleen whale grew that large in the Miocene. [ 115 ] The true largest macroraptorial sperm whale is none other than the Livyatan , with an estimated length of 44–57 ft (13.5–17.5 m) and an estimated weight of 62.8 short tons (57 ...
[1] [3] [4] [24] It is assumed that the hunting tactics of Livyatan for hunting whales were similar to that of the modern killer whale, pursuing prey to wear it out, and then drowning it. [1] [25] Modern killer whales work in groups to isolate and kill whales, but, given its size, Livyatan may have been able to hunt alone. [26]
Baleen whale comparative sizes. ... A size comparison between a human and 4 moa species: 1. ... Reconstructed jaws of megalodon (Otodus megalodon)
In the seas millions of years ago, whales were regularly hunted.Megalodons, bus-sized sharks, are believed to have been dominant ocean predators some 20 to 3.6 million years ago. The now extinct ...
A third type of killer whale roams the Pacific, but less is known about it; these offshore whales live farther out and prey on sharks and other large fish. A recent study found evidence of another ...
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.
The largest shark in the fossil record is the megalodon (Otodus megalodon), a colossal Neogene lamniform. The range of estimates of the maximum length for megalodon are from 17 to 20.3 m (56 to 67 ft), with a mass ranging from 65 to 114 short tons (59 to 103 t). [44] [45] [46] It is also regarded as the largest macro-predatory fish ever.