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shark facts and information

The senses of sharks are very good. Gulper sharks. The flesh of the Sleeper Shark, which feeds on colossal squid, contains such a high concentration of anti-freeze that it must rot for months before consumption as the popular Icelandic dish Hákarl. An angel shark, on the other hand, has a couple of fins in the dorsal area near the tail and a flat nose with the mouth underneath. During dissection of a mother tiger shark, a scientist was reaching into the birth canal and was bitten by a tiger shark embryo. Sharks have been around for nearly 400 million years and were about 200 million years older than dinosaurs. In fact, according to the international shark attack file since 1581 there have been 828 unprovoked attacks so far, resulting in 160 casualties, meaning that there were less than two attacks on average each year. Serrated, wedge like teeth are found in larger species such as the great white shark (pictured), that feed on larger prey, and are effective at cutting off chunks of flesh for easy swallowing. Sharks have the same five human senses like us. Only a handful of species are solitary hunters, such as the great white shark, but even these species often coexist at active hunting or breeding grounds. Attacks on humans are extremely rare, reaching on average of ten deaths by year, and only 34 species have ever attacked a human. 143 of these are under threat, listed by IUCN from vulnerable to … Goblin sharks (1 species) Sharks have a long history on our planet, having inhabited the oceans for over 400 million years – long before dinosaurs appeared. Most shark species have pointed snouts that house several rows of sharp triangular teeth. (7 species) Shark levels are in actual fact declining and are amongst the most threatened marine vertebrates on Earth, with some species facing extinction. Sharks Facts and Information Superorder Selachimorpha. 10 Interesting Facts about Sharks. He went on to start a foundation for the study and conservation of Great White Sharks – Source, 21. The megamouth is a deep-water species and rarely seen by humans. Frilled sharks. – Source, This fact becomes so much cooler once you realize it’s so the Orca can eat them. This is due to the electroreceptors located within their snout, numbering in the hundreds to thousands. 9 Species. A shark’s mouth has up to six rows of triangular teeth. Crocodile sharks (1 species). However experiments have shown that some species are able to ‘sleep swim’, in which they are essentially unconscious while meandering around the ocean. All Rights Reserved. Also belonging to this group are the closest relatives of sharks: rays, skates, and sawfish. The smallest shark species, the dwarf lantern shark, can fit in the palm of your hand! – Source, 3. Also, sharks go docile when you flip them upside down… Missing from this list. Orcas are the true greatest predators in the ocean and we keep them as PETS. (4 species) When most people think about sharks, they have a mental picture of a deadly predator. – Source, 5. – Source, 23. (9 species). (It’s completely free, you can unsubscribe at any time, and we’ll never share your details.). Why are whale sharks endangered? The larger species of sharks tend to live alone. You can discover more fun facts on sharks and other ocean animals on the following pages: News and facts about animals, natural history and science. Sharks mainly prey on smaller fish, and on invertebrates such as shellfish, squid and octopuses. Seven families. Doctors were able to re-attach the arm. 2) These super swimmers are the largest predatory fish (fish that eat other fish or animals) on our planet. (1 species). Facts about Great White Shark, Tiger Shark, Mako Shark, Hammerhead Shark and Others. Let’s take a closer look at each of these eight orders and the families that belong to each of them: This classification includes the most primitive sharks, those with six or seven gill slits, a dorsal fin, and lack of nictitating membranes in their eyes. Sharks can also detect electricity, something which all living things emit, albeit in small amounts. The content in this site was created from the following resources. 2. Sharks have excellent eyesight. Learning about the world of sharks, knowing their features, discovering their secrets, and recognizing their importance in our world is the first step to their conservation. Sharks never sleep and don’t stop swimming, as they do not have air balloons like other fish in them which makes them sink. All Rights Reserved. The whale shark is not only the world’s largest shark, but also the world’s largest fish. What is observed though can vary based on species, age, and even location of the sharks that are being monitored. Sharks have electroreceptor organs called ‘ampullae of Lorenzini’, and they use this to detect electromagnetic fields which all living creatures emit.

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