Tag: Shark

Without the salt to process into their bodies, they simply cannot survive. One noteworthy exception is the bull shark. This shark specie has the capability to recycle salts through its kidneys and survive in freshwater surroundings. Therefore, bull sharks are the only potential shark that could live in the Great Lakes. Can bull sharks get […]

San Francisco Bay is reputedly home to some of the world’s most shark-infested waters. It sits in the middle of the so-called “red triangle” where around 40% of the country’s great white shark attacks have taken place. Is it safe to swim in San Francisco Bay? Summary. The San Francisco Bay is not a good […]

Carcharhinus leucas They have been known to travel up the Mississippi River as far as Alton, Illinois, about 1,100 kilometres (700 mi) from the ocean. However, few freshwater human-shark interactions have been recorded. Can a shark go in freshwater? Their ability to tolerate freshwater is rooted in salt retention. Sharks must retain salt inside their […]

Yes, shark meat is legal for consumption in the United States. In fact, sharks actually produce a very high yield of meat based on their body weight. Is shark meat healthy to eat? Why eating shark is dangerous for humans. Eating sharks not only threatens the life of our oceans, it can also be extremely […]

They move around, too Most species of sharks live in the oceans (as you’ll learn more later), but some of them are known to dwell in bodies of freshwater. What sharks dont live in saltwater? Freshwater sharks are sharks able to live in freshwater lakes and rivers, including: the river sharks, Glyphis, true freshwater sharks […]

When a woman is aroused, squalene is secreted allowing the clitoris and labia to swell up and prepare the body for sex. In sharks, however, squalene is far less sexy. The compound is found in the livers of sharks and is believed by some cultures to have miraculous effects. Do sharks have slime? Sharks, like […]

dermal denticles. Unlike most other fish in the ocean, shark skin is made of dermal denticlesdenticlesDenticles, also called serrations, are small bumps on a tooth that serve to give the tooth a serrated edge. In paleontology, denticle characteristics such as size and density (denticles per unit distance) are used to describe and classify fossilized teeth, […]

“[Great hammerhead sharks] don’t survive after being taken out of the water,” Cobb explained, saying that the stress usually causes a hammerhead shark to have lactic acid build up that cannot be reversed, which often leads to death. “It will die within two weeks,” she said. How long will a shark live out of water? […]

The mucus layer in sharks and rays has been poorly studied. However, it is known that mucus from stingray skin appear to accelerate the healing processes of wounds, and that bacteria found in the mucus present antibacterial activity against human pathogens (Luer et al., in press). What do sharks have on their skin? Shark skin […]

Shark skin feels exactly like sandpaper. In the opposite direction it feels very rough like sandpaper. As the shark grows, the placoid scales do not increase in size. Instead the shark grows more scales. The silky shark (Carcharhinus falciformis) has small scales giving it a “silky” feel to the touch. Are sharks slimy? Nothing much […]

They know that the live shark they throw back in will go belly up and drown. The shark can’t balance itself in the water, it can’t manoeuvre backward or forward. Without its fins it will die a horrible death, or be eaten alive by larger sharks. These people should be jailed for their cruelty. Should […]

Scientists believe that their ability to repair damaged DNA has helped them survive over the years. Their presence on the planet over millions of years have earned them the title of living fossil. Sharks also have a strong immune system that protects them from serious infection and illness. Did sharks exist with dinosaurs? Today’s sharks […]

Shark fin soup substitutes have lately appeared on the market which do not require any shark fins, thus avoiding the environmental damage caused by the shark finning practice. Shark fin soup Literal meaning “fish fin stew” Why Should shark fin soup be banned? Sharks thrown back into the oceans after being finned die in agony […]

With shark activity on the rise, shark deterrent tech company Shark Shield has 10 tips to prevent an unwanted encounter with the predators. Swim, surf, or dive with other people. Don’t wander too far from shore. Don’t enter the water if you’re bleeding. Avoid areas where animals, human, or fish waste enters the water. How […]

Caught on camera, a young great white shark had beached itself after trying to catch seagulls. But thanks to beachgoers and a shark expert, the great white survives. The 7-foot-and-a-half foot shark, described by experts as a juvenile, was found struggling at one point on it’s back on Cape Cod’s Chatham Beach, Monday. Can a […]

A video recorded by the NOAA Exploration and Research team shows a shark being swallowed whole by a large fish in the middle of what appears to be a deep-sea feeding frenzy off the coast of South Carolina. A group of at least 11 sharks can be seen feeding on a recently deceased swordfish. Has […]

The quick answer is no. Dr. Craig McClain explains: I know that the esophagus of a whale shark measures only inches across. Can a person fit inside a whale shark? The whale shark’s pharynx isn’t nearly as capacious as you might think. According to Motta, an average-sized man would barely fit. If you can overcome […]

198 days. The longest a great white was held in captivity was at the Monterey Bay Aquarium, in September 2004. A young female was kept in an outdoor tank for 198 days before releasing her back into the wild. Has a great white shark ever survived in captivity? There are countless theories as to why […]

Do not drag or push a beached animal back to water. Dragging the animal might cause it serious injury. Instead, wait for expert help to arrive. Chances are that a beached animal ended up beached because it was ill, and should be given medical care before returning it to the sea. Do sharks beach themselves […]

In reality, sharks are one of the most smartest creatures on the planet. In fact, it could be said that they possess a degree of intelligence comparable to that of a dolphin. Which is better dolphin or shark? A shark would win in a fight against a dolphin. They are faster, larger, and more attuned […]