FACT

Sharks first appeared around 400 million years ago, while dinosaurs appeared around 230 million years ago.

Source: Ancient Sharks - Natural History Museum

FACT

Sharks have special organs called ampullae of Lorenzini that can detect the electrical fields of other animals.

Source: Shark Magnetic Navigation - Current Biology

MYTH

Sharks don't sleep in the traditional sense, but they do have periods of rest and reduced activity.

Source: Do Sharks Sleep? - Discovery Channel

FACT

About 95% of shark attacks happen in water less than 6 feet deep, simply because that's where most people swim.

Source: International Shark Attack File Statistics

MYTH

Some shark species can pump water over their gills while stationary. Only certain species like great whites need to keep moving.

Source: How Sharks Breathe - ReefQuest Centre