Shark

Sharks don’t have lungs, but they do have to breathe oxygen to survive. Which fish can live without oxygen? An aquarium fish can stay up… Read More »Can Shark Fish Live Without Oxygen?

It has been observed that sharks can go up to approximately 6 weeks without feeding. The record for a shark fasting was observed with a… Read More »How Long Can A Shark Live Without Food?

No shark can breathe on land, but some small sharks have developed the ability to survive with very low oxygen levels in their blood. What… Read More »Is There A Shark That Can Breathe On Land?

Some sharks such as the nurse shark have spiracles that force water across their gills allowing for stationary rest. Sharks do not sleep like humans… Read More »Does Sharks Get Tired?

But even apex predators need friends. And, according to new research, bull sharks may be capable of making them. A recently published study from Fiji… Read More »Can Sharks Make Friends?

Overfishing and illegal fishing of sharks for their fins is depleting populations worldwide. There is often a general lack of even basic management monitoring, control,… Read More »Why Are Sharks Threatened?

Shark conservation organizations fight to educate people, stop the slaughter of sharks, and write and support legislation that protects conservation zones. So if you have… Read More »How Can Humans Help Protect Sharks And Marine Ecosystems?

However, for species that have adapted to tropical regions, a serious problem threatens their survival: frostbite. As crazy as it sounds, a shark can get… Read More »Can Water Be Too Cold For Sharks?

Many species of sharks have adapted to live primarily in warm and shallow coastal waters along the continental shelves (usually no deeper than 650ft ),… Read More »What Kind Of Waters Do Sharks Like?

Great white sharks can swim at speeds of 25 km/h (16 mph) for short bursts and to depths of 1,200 m (3,900 ft). The great… Read More »How Deep Do Great White Sharks Go?