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This is the size that Gottfried et al. (1996) list as the 'largest mature female' in their study. The smaller silhouette is scaled to 4.7 metres (15 ft), the size Gottfried et al. list as the 'smallest mature female'. On average, male great whites are smaller than females. [2] The largest size obtainable by the great white is controversial.
[12] [13] The thresher shark has a short head and a cone-shaped nose. The mouth is generally small, and the teeth range in size from small to large. [14] By far the largest of the three species is the common thresher, Alopias vulpinus, which may reach a length of 6.1 metres (20 ft) and a mass of over 500 kilograms (1,100 lb).
The confirmed length record for this shark is 5.7 m (19 ft), while the maximum possible length may be 6.1–6.5 m (20–21 ft). [3] The heaviest individual on record is a 4.8 m (16 ft) female that weighed 510 kg (1,120 lb). [11] Exceptional specimens may possibly weigh up to 900 kg (2,000 lb), though such claims are not verified yet. [12]
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North Atlantic sharks have 28–29 upper tooth rows and 26–27 lower tooth rows, while Southern Hemisphere sharks have 30–31 upper tooth rows and 27–29 lower tooth rows. [25] Each tooth has a strongly arched base and a nearly straight, awl-like central cusp, which is flanked by a pair of smaller cusplets in all but the smallest individuals.
A couple of tourists poking around in the sand found a prehistoric shark tooth the size of a human hand at Cape Lookout National Seashore, according to the National Park Service.. The tooth is all ...
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A 2015 study linking shark size and typical swimming speed estimated that megalodon would have typically swum at 18 kilometers per hour (11 mph)–assuming that its body mass was typically 48 t (53 short tons; 47 long tons)–which is consistent with other aquatic creatures of its size, such as the fin whale (Balaenoptera physalus) which ...