White tip shark diet
From above, the darker shade blends with the sea and from below it exposes a minimal silhouette against the sunlight. Modern sharks are classified within the clade Selachimorpha (or Selachii ) and are the sister group to the rays. Megalodon (top two, estimated maximum and conservative sizes) with the whale shark, great white shark, and a human for scale. Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. From the small number of teeth found together, it is most likely that Cladoselache did not replace its teeth as regularly as modern sharks. The great white shark ( Carcharodon carcharias ), also known as the great white, white pointer, white shark, or white death, is a species of large lamniform shark which can be found in the coastal surface waters of all the major oceans. ), sea lions, cetaceans, other sharks, and large bony fish species. The presence of whole fish arranged tail-first in their stomachs suggest that they were fast swimmers with great agility. Great white sharks, like many other sharks, have rows of serrated teeth behind the main ones, ready to replace any that break off. In great white sharks, sexual dimorphism is present, and females are generally larger than males. Estimates suggest that sharks grow tens of thousands of teeth over a lifetime, which explains the abundant fossils. The teeth consist of easily fossilized calcium phosphate, an apatite. The reasons for their migration and what they do at their destination is still unknown. The great white shark has a robust, large, conical snout. Later, Sir Andrew Smith gave it Carcharodon as its generic name in 1833, and also in 1873. The upper and lower lobes on the tail fin are approximately the same size which is similar to some mackerel sharks.
In 1758, Carl Linnaeus gave the great white shark its first scientific name, Squalus carcharias. Its caudal fins had a similar shape to the great white sharks and the pelagic shortfin and longfin makos. Sharks belong to the superorder Selachimorpha in the subclass Elasmobranchii in the class Chondrichthyes. A great white displays countershading, by having a white underside and a grey dorsal area (sometimes in a brown or blue shade) that gives an overall mottled appearance. The great white is an epipelagic fish, observed mostly in the presence of rich game, such as fur seals ( Arctocephalus ssp. Partial skeletons and even complete fossilized remains have been discovered. It is also known to prey upon a variety of other marine animals, including fish and seabirds. The great white shark came into existence during the mid- Miocene epoch. Many shark populations are threatened by human activities. megalodon. Most fossil sharks from about 300 to 150 million years ago can be assigned to one of two groups. These sharks attained gigantic proportions and include the extinct megatoothed shark, C. Like most extinct sharks, C. However these measurements are not scientific and researchers have questioned the reliability of these measurements for a long time, noting they were much larger than any other accurately reported sighting. Well-known species such as the great white shark, tiger shark, blue shark, mako shark, and the hammerhead shark are apex predators —organisms at the top of their underwater food chain. In early white shark evolution there are at least two lineages: one lineage is of white sharks with coarsely serrated teeth and it probably gave rise to the modern great white shark, and another lineage is of white sharks with finely serrated teeth. Since then, sharks have diversified into over 500 species. Another white shark that was tagged off of the South African coast swam to the southern coast of Australia and back within the year. megalodon is also primarily known from its fossil teeth and vertebrae.
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