Perhaps the most astounding fact about this enigmatic shark is their longevity. Frilled sharks look more like massive eels or strange, deep-sea lizards than sharks. However, even for that group, the Greenland shark is a slowpoke as he is considered to be the slowest shark in the world. Because of this they don’t have to hunt for prey. Secondly the glow attracts potential prey which the little shark then uses its over-sized eyes to spot and gobble up. Helicoprion (Illustration: James St. John). The name is possibly a disservice to goblins as this is one ugly, scary looking fish. Sadly, these cool, harmless sharks have been dangerously overfished for their flesh, their gigantic oily livers, and their fins. Then, once they have a tight seal, the sharks stab their teeth into the host. However, when the shark attacks it can shoot its jaws forward which then protrude almost as much as the snout revealing a set of particularly long and sharp looking teeth. This is where that outlandish snout comes into play as it is covered in special sensory organs (the ampullae of Lorenzini) which help detect the electrical fields of other organisms. But this mouth isn’t for gulping down seals (or humans) whole. To me this is quite strange – admittedly as everybody has heard of hammerheads I think they maybe don’t seem quite as weird as they are. Largetooth Sawfish. At least they are protected in several places, including the Gulf Coast of the USA, Malta, and the UK. It also has five quite obvious ridges going down the length of its body. This guy swims around at a cruising speed of 1 mph (1.6 kmh) or slower and when he gets the need for speed he can get up to a blistering 1.6 mph (2 kmh). The smallest one is the pelagic thresher that only grows to 10 ft (3 m). Greenland Shark. Other theories suggest it may be used to improve manoeuvering. When something tasty gets close, the sharks are thought to brace themselves against their fins and launch forward like a striking snake, teeth ready to bite. It’s hard to imagine a reason why a shark’s head would be shaped like a ball pein hammer. They are one of the strangest looking sharks and vary in colour from pink-grey to bubble gum pink. Whilst this appendage looks somewhat cumbersome and unhelpful it is actually essential to the sawshark’s method of feeding. Megamouth sharks are incredibly rare and are so strange that they have their own family classification: Megachasmidae. Although we know little about it, the whorl shark (Helicoprion) is a truly strange fish that lived 280-225 million years ago. Licensed by CC. The cookiecutter shark has a silly name and a diminutive stature of 20 inches (50 cm). The sawsharks consist of eight species of related sharks found in the tropics around the world. Everybody knows that the biggest shark is the whale shark, but what is the smallest species? Some of these adaptations have rendered sharks downright bizarre. There are actually quite a few species of hammerhead shark and they vary greatly in size from around 3 ft (1m) up to nearly 20 ft (6m+). This strange-looking shark has elaborate fringe around its head that serves as a type of camouflage as it hunts fish and invertebrates on the floor of the reefs. It is part of the select group of planktivorous sharks that feeds mostly on plankton. Tiger shark by Albert Kok via Wikimedia Commons. The barbels can move around quite freely, and they sense vibrations and bioelectricity, similar to the hammerhead’s way of picking out its favorite stingray snack. Fun fact: females gestate for about three and a half years. Then the shark begins twisting so that, in the end, it gouges out a round chunk of flesh, hence the name cookiecutter. The largest specimens can be around 20 ft (7m) in length and weigh up to 2,500lbs (1,000 kg). Megalodon chasing whales. The ocean is a dangerous place and animals have to continuously adapt to survive. Science T-Shirts | Sci-Fi T-Shirts | Fantasy T-Shirts The way it does this is by latching on to a host through suction. However, they are rarely seen by humans as they prefer to hunt in deep ocean depths. They’re consumed in Iceland but the meat has to be processed for months before it’s edible. Despite the fact that these sharks can grow to an intimidating 7 feet long, they pose basically zero risk to people, according to the shark experts at the Florida Museum. Next, the sharks twist and rotate, until they have scooped out a chunk of flesh around two inches wide and 2.8 inches deep. Shark fossils show that weird sharks are not just a modern development. You Should Drink Coffee After Breakfast, Not Before.

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