Cookie cutter sharks12/30/2023 ![]() ![]() ![]() The shark’s luminescence is the strongest of any known shark.It is known for its ability to migrate up from around 2 miles below the ocean’s surface daily.Human beings rarely come into contact with the cookie cutter shark.The shark lives in all of the earth’s major tropical and warm ocean basins.Currently, the IUCN lists the shark as “Least Concern,” the lowest level on their conservation status scale. This is most common at night when the shark completes its migration towards the surface. Despite this, it is sometimes caught within nets meant for other fish, something known as bycatch. This means that it’s also rarely at risk from fisheries. The cookie cutter shark lives deep within the ocean, making it uncommon for human beings to come into contact with the marine animal. It swallows these old sets of teeth in what scientists believe is an effort to increase their calcium content. But, unlike other sharks, it sheds entire rows of teeth at a time rather than one tooth at a time. Like other sharks, it regularly replaces its teeth. One study off the coast of Hawaii found that nearly every adult spinner dolphin had at least one scar from the cookie cutter shark. It’s incredibly common to find marine animals with these scars. The rounded wounds left by the cookie-cutter shark are between two inches across and 2.8 inches deep. The shark attaches itself to predators that approach, thinking they’re about to capture a smaller fish. Scientists believe that the dark collar around its neck evolved as a way to mimic the shape of other fish. ![]() It’s believed that the shark hunts stealthily, likely creeping up on prey rather than actively pursuing them. The shark also eats prey whole, like squid. It’s been known to bite undersea cables and even submarines. This includes megamouth sharks, beaked whales, sperm whales, leopard seals, stingrays, tunas, cetaceans, and more. All ocean animals are at threat from the cookie cutter shark. The cookie cutter shark got its name due to its habit of biting circular chunks out of other marine animals as well as into equipment and even into the occasional human being. The shark has been known to travel in schools of other cookie cutter sharks. Sometimes, it’s even been spotted at the surface. 5-2.3 miles in depth, then rises up to around 270 feet at night. The shark engages in what is known as a diel vertical migration of around 1.9 miles or 3 kilometers every day. The shark might also be found around the Hawaiian Islands and eat in the Galápagos. It has also been captured around Tasmania, New Zealand, and Australia. It is common within the Atlantic, around Brazil, Sierra Leone, southern Angola, South Africa, Guinea, and more. The shark lives in all of the earth’s major tropical and warm ocean basins. Some reports suggest that it can last as long as three hours after the shark has been removed from the water. The shark’s luminescence is the strongest of any known shark. The cookie-cutter shark has a strange head and a body in the shape of a cigar The number varies depending on the size of the animal. The shark has somewhere from 30-37 teeth rows in the upper jaw and 25-31 rows in the lower jaw. Its teeth have been compared to a bandsaw in the way that they cut through materials. The shark also has suctorial lips and a pharynx that it uses to cut circular pieces of flesh out of its prey. It also features a dark band around its throat. The shark is darkly colored with photophores or spots that emit light, on its underside. The shark has a long body with a dark band around its neck The name “cigar shark” comes from the shape of its body. The shark’s body features two small dorsal fins and one large caudal fin. It has a small head with large eyes and a blunt nose. It can only reach around 22 inches, or 56 centimeters, when fully grown. ![]()
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