Life of Sea | Tiger Shark (Galeocerdo cuvier) | Tiger sharks live throughout the world in salt water. They live in warm waters. They can also be found in most tropical and temperate regions. These predators are commonly known as Sea Tigers. In nature you see them close to shore, but generally, it is known that deep waters near the reef especially preferred. Tiger sharks are considered one of the most dangerous sharks to human next to the Great White sharks.
Genus: Galeocerdo, J. P. Müller & Henle, 1837
Species: G. cuvier
Tiger sharks have different characteristics with other sharks. They have dark skin like tiger stripes. It has a broad, flat head with a snout shorter than the width of the mouth, long labial grooves, and a slim body. The tail is long and pointed with reinforcing ridges and bumps curved teeth with serrated edges and a deep notch on the outer edge. The color ranges from bluish or greenish gray to black above and light gray to dirty yellow or white below.
The main prey of the Tiger sharks are fish. They also eat turtles, crabs, mussels, mammals, birds, reptiles, other sharks, and just about anything else to catch them alive. Tiger sharks teeth are very serrated (saw-edged), razor sharp, and curved. The teeth are similar in the upper and lower jaw. The teeth are located in rows which rotate into use as needed. The first two rows are used in obtaining prey, the other rows rotate into place when needed. If lost teeth, broken or worn, they are replaced by new teeth that rotate into place.
The Tiger sharks is a solitary, mostly nocturnal hunter. Her diet is a wide variety of prey such as crustaceans, fish, seals, birds, small sharks, octopus, turtles, sea snakes and dolphins. The Tiger sharks is a predator with excellent hunting skills. They have excellent skills to the blood of their prey smell. This ability helps them to hunt. Moreover, they have big eyes. As a result, they can still hunt their prey in the dark ocean.
All Tiger sharks are generally slow, which, combined with cryptic colors, it can be difficult for prey to detect in some habitats. They are very well camouflaged against a dark background. Despite their slow appearance, tiger sharks are one of the strongest swimmers. Once the shark is close, a quick burst makes it possible to achieve the intended prey before it can escape.
Tiger sharks are second only to the Great white shark in the number of reported attacks on humans. Fortunately, attacks are rare. In Hawaii, although tiger sharks were responsible for a number of fatal accidents in the year 1990, there is an average of a shark attack each year. A low number given the average number of drownings is 40. The large size and voracious appetite make the tiger a top predator of the ocean.
Because of their indiscriminate appetites, Tiger sharkss can be curious and aggressive towards people in the water and should therefore be treated with extreme caution. Both commercial and recreational fishery catch rates for this species in the mid-Atlantic region has declined since the mid 1980s as the population size decreased due to fishing pressure. In contrast to the relative abundance and catch rates for this species noted by observers on commercial fishing, especially for young people, much higher than in previous fishery independent and fishery-dependent surveys.
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