IP Factly's Shark Trivia Quiz

Whatdo youknow?

1. True or False? The first sharks swam the oceans 200 million yearsbefore dinosaurs even existed.

1. True.

2. Attacks from which sharks forced U.S. submarines back to base in both the 1970's and 1980's?a. Bull sharkb. Great white sharkc. Cookiecutter shark

2. Cookiecutter SharkThey nibbled at sonar domes in the1970's and electric cables in the 80's,forcing engineers to add fibreglasscoating on both occasions.

3. Which of the following makes a sound like a barking dog?a. Swell sharkb. Bloater sharkc. Plump shark

Image credit: Clark Anderson Aquaimage CC BY-SA 2.5

3. Swell SharkWhen they feel threatened, swellsharks gulp in water, or if they're at thesurface, air, to swell up and makethemselves look bigger. It's the soundof the shark letting out the air thatsounds like a dog barking.

4. True or False? The oldest known species of shark is called the ruffled shark.

Image Credit: Citron CC BY SA 3.0

Image Credit: Citron CC BY SA 3.0

4. False. It's called a frilled shark, and is a rarelyseen ancient shark that's uniqueappearance may be behind the myth ofsea serpents.

5. Which of these is a shark with poisonous flesh?a. Newfoundland sharkb. Greenland sharkc. Iceland shark

Image Credit: NOAA Okeanos Explorer 2013

5. Greenland shark.The Greenland shark's flesh is adelicacy among some peoples of theArctic region. Its flesh has to be boiledand re-boiled to get rid of the toxins.

6. True or False? Sharks can sense electromagnetic fields.

Image Credit: Citron CC BY SA 3.0

6. True.Sharks have a few bonus senses. Oneof them is the ability to senseelectromagnetic fields. They have smallpores on their snouts, snappilycalled ampullae of Lorenzini, whichare electroreceptors. The hammerhead,in particular, is known for its ability toseek out hidden prey, making full useof all the receptors on its bizarrelywide snout.

7. Which species of shark was spotted swimming through Aussie streets during the 2011 Brisbane flood?a. Bull sharkb. Tiger sharkc. Great white shark

7. Bull shark.Bull sharks can survive in both freshwater and sea water. When Brisbane,Australia flooded in 2011 the bullsharks just kept on swimming - it justso happened some of them ended upnear Brisbane's shopping centre.

6. True or False? The Cookiecutter shark eats its own teeth.

Image Credit: Citron CC BY SA 3.0

8. True or False? The Cookiecutter shark eats its own teeth.

Image Credit: NOAA

8. True.Every time the cookiecutter sharkloses a tooth it replaces the whole rowof gnashers with new ones. That'sexpensive in terms of raw-materials.To help with the costs, it swallows itsteeth - so it can re-use the calcium tomake new ones.

9. Which of these is a species of shark discovered off the coast ofJapan in 1897?a. Gnome sharkb. Gremlin sharkc. Goblin shark

Image Credit: Mistukurina_owstoni_museum_victoria_-_head_detail by Dianne Bray Museum Victoria

9. Goblin shark.The goblin shark, named after itshideous looks, has a long snoutcovered in ampullae of Lorenzini. Theelectroreceptors are used to searchout prey in dark, deep water.When catching fish, its jaw springsforward, extending out to grab theprey.

10. Which of these sharks eats its siblings while still in the womb?a. Caribbean reef sharkb. Sand tiger sharkc. Leopard shark

Image Credit: UShaka Sea World 1079-a CC BY 3.0 Amada44

10. Sand tiger shark.A sand tiger shark in the womb will eattheir own egg, then hunts out other eggsto eat and will finally move on to snackingon their younger siblings. By the time thebaby shark is born it is already 3 feet (1meter) long.

How did you do?Better than a sand

tiger shark's brother hopefully!

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