What To Write About Sharks? - Fixanswer

Sharks are a large group of fish that have inhabited the oceans for over 400 million years, even before dinosaurs populated our planet. They belong to the superorder Selachimorpha, and modern sharks have specific characteristics like a cartilaginous skeleton , five or six pairs of gills and several rows of teeth.

What is unique about sharks?

Sharks eat fish, crustaceans, mollusks, plankton, marine mammals, and even other sharks. Their strong sense of smell allows them to detect blood in the water miles away . Most sharks are cold-blooded. But some sharks, such as the great white shark, are warm-blooded, which enables them to grow and swim faster.

What is a description of a shark?

Though there are exceptions, sharks typically have a tough skin that is dull gray in colour and is roughened by toothlike scales. They also usually have a muscular, asymmetrical, upturned tail; pointed fins; and a pointed snout extending forward and over a crescentic mouth set with sharp triangular teeth.

Can sharks smell period?

A shark’s sense of smell is powerful – it allows them to find prey from hundreds of yards away. Menstrual blood in the water could be detected by a shark, just like any urine or other bodily fluids. However, there is no positive evidence that menstruation is a factor in shark attacks .

What is a sharks sixth sense?

A Shark’s Sixth Sense

These are jelly filled pores that go down to the nerve receptors at the base of the dermis . They are specialized electroreceptor organs that allow the shark to sense electromagnetic fields and temperature changes in the water column.

Do sharks fart?

They let air out in the form of a fart when they want to lose buoyancy. As for other shark species, well we really just don’t know ! ... Though the Smithsonian Animal Answer Guide confirms that captive sand tiger sharks have been known to expel gas bubbles out their cloaca, there really isn’t much else out there about this.

What’s the smallest shark?

The smallest shark, a dwarf lantern shark (Etmopterus perryi) is smaller than a human hand. It’s rarely seen and little is known about it, having only been observed a few times off the northern tip of South America at depths between 283–439 meters (928–1,440 feet).

What are sharks afraid of?

These predators are afraid of something, for example; white sharks are afraid of orcas, sharks are afraid of dolphins . Humans can also pose threats for sharks too. It is natural that sharks are afraid of things that can cause harm to them. They try to stay away from these creatures.

What are sharks good at?

Sharks keep ocean ecosystems in balance

Sharks are the apex predators in marine ecosystems, which means they have few natural predators and feed on animals below them in the food web. Sharks limit the abundance of their prey, which then affects the prey of those animals, and so on throughout the food web.

Where can sharks be found?

4. Sharks live in most ocean habitats . They can be found in beautiful, tropical coral reefs, to the deep sea, and even under the Arctic sea ice.

What are 10 interesting facts about penguins?

A group of penguins in the water is called a raft but on land they’re called a waddle! ...
The black and white “tuxedo” look donned by most penguin species is a clever camouflage called countershading. ...
Penguins may huddle together for several reasons. ...
Penguins evolved to fly underwater.

What are sharks physical characteristics?

Most sharks have a muscular, asymmetrical, upturned tail; pointed fins; a pointed snout ; and sharp triangular teeth. Sharks have no swim bladder and must swim perpetually to keep from sinking. Most species bear living young.

What is the most common shark?

The Spiny Dogfish, also known as the Spurdog, Mud Shark, or Piked Dogfish, are the most common sharks of the world.

What is a female shark called?

Those with claspers are mature males; those without claspers are either females or immature males. You can also consider other criteria, such as the presence of mating scars, to determine a shark’s sex.