The Ultimate Piranhas Eating Cows Quiz

CORRECT ANSWERS: 0

Piranhas have the image of vicious man-eating monsters. In reality, they prefer other fish over mammals and are mostly eight inches long. Take this quiz to learn about the circumstances when a school of piranha would eat a cow.

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Question 2 of 21

What ferocious fish did Theodore Roosevelt take an interest in?

piranha
shark
whale

... Theodore Roosevelt took a special interest in piranha fish. He wrote about piranha in his book, "Through the Brazilian Wilderness."

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Question 3 of 21

In the 1978 movie "Piranha", why are the piranhas released into a resort's river?

on purpose
by accident
neither answer

... The piranhas are released into the river by accident.

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Question 4 of 21

How big is a piranha?

maximum size is two feet
most are about eight inches
both answers

... The maximum size of a piranha may be about two feet (60 cm), but most are about eight inches (20 cm) long.

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Question 5 of 21

What fish is the most vicious of the piranha species?

Serrasalmus rhombeus
Pigocentrus naterreri
Pristobrycon striolatus

... The Pigocentrus naterreri is the most vicious of the species.

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Question 6 of 21

How would you describe the teeth of a piranha?

razors
brushes
sandpaper

... Piranha have teeth like razors.

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Question 7 of 21

The piranha jaw is designed for:

chomping
biting
nibbling

... The piranha jaw is designed for chomping.

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Question 8 of 21

How are a piranha's teeth spaced?

overlapping pattern
interlocking pattern
tight vertical pattern

... The teeth are spaced in an interlocking pattern, the better to chomp with.

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Question 9 of 21

Piranha do not ______ their prey.

chew
chomp
devour

... The piranha do not chew their prey, they chomp it.

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Question 10 of 21

What happens after piranha chomp down on a big bite of flesh?

no chewing
flesh goes to stomach
both answers

... Piranha do not chew, so the big bite goes straight to its stomach.

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Question 11 of 21

What causes the boiling-water effect in piranha infested water, often shown in movies featuring piranhas?

change positions very fast
movement of the prey
neither answer

... Piranhas let everyone in the school get a big bite, so when they change positions, very fast, the water bubbles with their movement.

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Question 12 of 21

Piranhas are the prey of what animals?

herons
caimans
both answers

... Piranhas are the prey of herons and caimans.

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Question 13 of 21

What is the mainstay of piranhas' diet?

dead animals
live animals
fruit

... Mainly piranhas are scavengers, so they eat dead animals.

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Question 14 of 21

Why can't you buy a piranha?

no availability
endangered species
illegal to import

... Piranha are illegal to import, so don't plan on keeping one in your home aquarium.

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Question 15 of 21

What animal do piranhas primarily eat?

fish
fruit
mammals

... Piranhas eat fish, and occasionally will eat another piranha.

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Question 16 of 21

Where do piranhas prefer to breed?

slowest-moving water
fast-moving water
rapids

... Piranhas prefer to breed in slow-moving water. An increase in dam building in South America has increased slow-moving waters and is thought to account for an increase in the piranha population.

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Question 17 of 21

Why may piranhas be found in unlikely places?

pet piranhas have been dumped
purposeful destruction of waterways
neither answer

... Anywhere but South America would be an unlikely place to find piranhas. One explanation is that "pet" piranhas have been dumped into waterways, after the owners discovered just how difficult they were to keep.

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Question 18 of 21

What may happen when piranhas are dumped in waterways outside of their natural habitat?

threaten the ecological balance
increase the fish population
increase tourism

... The addition of piranhas to these waterways may threaten the ecological balance.

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Question 19 of 21

What is the size of a typical school of piranha?

10
20
30

... About 20 piranha make up a typically sized school, but it takes hundreds to eat a cow.

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Question 20 of 21

When Roosevelt visited the Brazilian Amazon, what did he see that left him feeling disturbed?

strip a human
strip a cow
strip a monkey

... Roosevelt witnessed a school of piranhas strip a cow to the bone in a very short time, perhaps around one minute. It is thought that the piranhas he saw had been intentionally starved beforehand.

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Question 21 of 21

How long are the razor sharp teeth of piranhas?

one-quarter inch
one-half inch
one inch

... The teeth are only about one-quarter inch (0.6 cm) long.

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