Greenland Shark Quiz

What is the estimated lifespan of the Greenland Shark?

• 500 years

• 200 years

• 300 years

• 400 years

How do scientists determine the age of a Greenland Shark?

• By peeling layers of the eye lens

• By analyzing their teeth

• By measuring their length

• By counting the rings on their vertebrae

At what age do Greenland Sharks typically reach maturity?

• 200 years

• 150 years

• 100 years

• 50 years

What is the maximum length a Greenland Shark can grow to?

• 30 feet

• 23 feet

• 20 feet

• 15 feet

What unique feeding strategy do Greenland Sharks use?

• They use their upper teeth to hold prey and lower teeth to cut

• They hunt in packs

• They swallow prey whole

• They use their tails to stun prey

What unusual items have been found in the diet of Greenland Sharks?

• Sea turtles and jellyfish

• Seals and penguins

• Polar bears and reindeer

• Dolphins and whales

What parasite affects the vision of Greenland Sharks?

• Sea lice

• Lampreys

• Omat elongate

• Barnacles

How do Greenland Sharks survive in extremely cold waters?

• Antifreeze-like substances in their bodies

• High metabolism

• Migration to warmer waters

• Thick blubber

Why is the flesh of Greenland Sharks considered dangerous?

• It is toxic and can cause convulsions

• It is highly acidic

• It is extremely tough and inedible

• It contains high levels of mercury

What is a major threat to the survival of Greenland Sharks?

• Loss of habitat

• Climate change

• Overfishing for their liver oil

• Pollution