Author: Marilyn Medina

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, […]

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 […]

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 […]

No. Sharks are attracted to blood, but they won’t attack you because you are on your period. A shark can detect any bodily fluid in the water. Do sharks react to human blood? Sharks are attracted to human blood They can also detect blood in the water from miles away. Contrary to popular belief, however, […]

Grey reef sharks hang out with the same “friends” in the same spot for years, a four-year study at the remote Palmyra Atoll in the Pacific Ocean has revealed. “We don’t think of sharks as social animals, but they do have social groups,” says Yannis Papastamatiou at Florida International University in Miami. Are sharks friends […]

If you don’t take care of a shark once it’s aboard, the meat can stink. Properly handled, however, shark meat is white, firm, and surprisingly juicy. It tolerates a little overcooking the way codfish will not. Shark is firm, but not as dense as swordfish or sturgeon, and it is more tightly flaked than most […]