Things About Sharks

Sharks have an organ in their snouts ampullae of lorenzini that allows them to sense electrical fields in the water emitted by other fish and.

Things about sharks. Some species prefer or include turtles and seagulls crustaceans and mollusks and plankton and krill in their diets. These small pores located near their nostrils around the head and beneath their snout are something of a second sight. In addition to their killer sense of smell sharks also can detect prey by tapping in to the small electrical fields that other animals generate using tiny organs called the ampullae of lorenzini. As predators sharks play a vital role in the health of marine ecosystems by eating fish they help create balance in the food chain.

Sharks stay buoyant because of their light weight cartilage skeletons. Sharks have the same five senses as human beings plus one more. Sharks belong to a group of fish known as the elasmobranchs or cartilaginous fishes. Sharks lose teeth regularly and can go through 30 000 teeth in their lifetime.

Sharks have a lateral line system along their sides which detects water movements. Sharks are apex predators. An average shark has 40 45 teeth in up to seven rows. Many have several rows of teeth and can lose and replace thousands of teeth in their lifetimes.

They also have really oily livers which helps them stay balanced in deeper waters. Rays and skates which may have evolved from sharks also belong to this group. Sharks have a sixth sense. Sharks are carnivores and they primarily hunt and eat fish sea mammals like dolphins and seals and other sharks.

Sharks have a variety of feeding habits.