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The bull shark ( Carcharhinus leucas ), also known as the Zambezi shark (informally zambi) in Africa and Lake Nicaragua shark in Nicaragua, is a species of requiem shark commonly found worldwide in warm, shallow waters along coasts and in rivers. It is known for its aggressive nature, and presence mainly in warm, shallow brackish and freshwater ...
The bluntnose sixgill shark ( Hexanchus griseus ), often simply called the cow shark, is the largest hexanchoid shark, growing to 20 ft (6.1 m) in length. [2] It is found in tropical and temperate waters worldwide and its diet is widely varied by region. The bluntnose sixgill is a species of sixgill sharks, of genus Hexanchus, a genus that also ...
The largest fish of the now-extinct class Placodermi was the giant predatory Dunkleosteus. The largest and most well known species was D. terrelli, which grew almost 9 m (29.5 ft) in length [24] and 4 t (4.4 short tons) [25] in weight. Its filter feeding relative, Titanichthys, may have rivaled it in size. [26]
The Galapagos shark ( Carcharhinus galapagensis) is a species of requiem shark, in the family Carcharhinidae, found worldwide. It favors clear reef environments around oceanic islands, where it is often the most abundant shark species. A large species that often reaches 3.0 m (9.8 ft), the Galapagos reef shark has a typical fusiform "reef shark ...
The sandbar shark ( Carcharhinus plumbeus ), also known as the brown shark or thickskin shark, is a species of requiem shark, and part of the family Carcharhinidae, native to the Atlantic Ocean and the Indo-Pacific. It is distinguishable by its very high first dorsal fin and interdorsal ridge. [2] It is not to be confused with the similarly ...
Bullhead shark. The bullhead sharks are members of the genus Heterodontus, the only members of the family Heterodontidae and only living members of the order Heterodontiformes. All are relatively small, with the largest species reaching just 1.65 metres (5.5 ft) in maximum length. They are bottom feeders in tropical and subtropical waters.
A man from Bradenton may have caught the largest bull shark in Florida, and he did it standing on the beach. Michael Hengel, 22, a land-based shark fisherman, was on a fishing trip to Miami on Feb ...
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 ...