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A great white shark at Isla Guadalupe, Mexico. The following outline is provided as an overview of and topical guide to sharks: . Sharks (superorder Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body.
A great white shark was captured near Kangaroo Island in Australia on 1 April 1987. This shark was estimated to be more than 6.9 m (23 ft) long by Peter Resiley, [67] [73] and has been designated as KANGA. [72] Another great white shark was caught in Malta by Alfredo Cutajar on 16 April 1987. This shark was also estimated to be around 7.13 m ...
Great white sharks, shortfin mako, longfin mako, salmon shark, and porbeagle are endothermic, which helps them move quickly in water. [21] They are able to regulate their body temperature depending on the temperature of the water they are in, in order to contract their muscles and swim faster. [ 21 ]
It includes some of the most familiar species of sharks, such as the great white [1] as well as less familiar ones, such as the goblin shark and megamouth shark. Members of the order are distinguished by possessing two dorsal fins, an anal fin, five gill slits, eyes without nictitating membranes, and a mouth extending behind the eyes. Species ...
A massive great white shark, known to be somewhat of an "artist," paid a rare summer visit off the Palm Beach County coast − just one day after Discovery Channel's 'Shark Week' ended. The 13 ...
The grey reef shark has a typical "reef shark" shape with a broad, round snout and large eyes. This species can be distinguished from similar species by the plain or white-tipped first dorsal fin, the dark tips on the other fins, the broad black rear margin on the tail fin, and the lack of a ridge between the dorsal fins. Most individuals are ...
A commonly referred to transition is the evolution of Isurus hastalis, the extinct giant mako, into the great white shark, Carcharodon carcharias. There exist teeth that are believed to represent the transition between the two species. These teeth, from Carcharodon sp. are characterised by the wider, flatter crowns of the extinct giant mako ...
Carcharodon (meaning "jagged/sharp tooth" in Ancient Greek) [2] is a genus of sharks within the family Lamnidae, colloquially called the "white sharks." The only extant member is the great white shark (Carcharodon carcharias). Extinct species include C. hubbelli and C. hastalis. [3]