Seafood

The air we breathe is 21% oxygen. The oxygen concentration in water is only 1%. That’s not a typo. Sharks take in 80% of the… Read More »How Much Oxygen Do Sharks Need?

Circulatory System A shark’s heart is a two-chambered S-shaped tube, small in proportion to body size. Blood flows from the heart to the gills and… Read More »When The Blood Leaves The Shark Heart Where Does It Go?

It is no news that sharks, as the only fish species that cannot swim backward, despite their streamlined bodies, are unable to come to a… Read More »Can A Shark Back Up?

If it’s a big guy, use a rope around their tail to gently pull it to the shore. If it’s a small shark, grasp their… Read More »How Do You Remove A Big Shark?

(at around 26 mins) The movie implies that swimming backwards is a maneuver the sharks figured out once they got smarter. Sharks don’t swim backwards… Read More »Can Sharks Swim Backwards Deep Blue Sea?

Although the shark will undoubtedly swim away as fast as possible when you release it, catch and release is harmful to sharks. Biologists have evidence… Read More »Do Sharks Survive Catch And Release?

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?