Test Your Knowledge: Mantis Shrimp Quiz
Mantis shrimp are beautiful sea creatures with a long list of amazing (and violent) traits. How much do you know about this savage animal? Take this quiz to find out.
How do most mantis shrimp live their lives?
- in small groups
- in large groups
What is the defining trait of mantis shrimp?
- their relative intelligence
- their powerful claws
- their running speed
True or false: All mantis shrimp are smashers that use their power to beat prey into submission.
Other than vicious weapons, what other standout characteristic do mantis shrimp have?
- highly evolved feet
- complex eyes
- humanlike blood
Why does this shrimp have "mantis" in its name?
- Its mouth is shaped like that of a praying mantis.
- It is just as aggressive as a praying mantis.
- It tucks appendages under its body like a praying mantis.
True or false: Smasher shrimp strike faster than spearer shrimp.
The mantis shrimp belongs to which order?
How big do the largest mantis shrimp grow?
- about 8 inches (20 centimeters)
- about 15 inches
- about 20 inches
True or false: Mantis shrimp are nocturnal.
How many color-receptive cones do mantis shrimp eyes contain?
Compared to humans, how many more colors can a mantis shrimp detect?
- four times as many
- eight times as many
- 10 times as many
How many species of mantis shrimp are there?
- about 100
- about 450
- about 620
The mantis shrimp can be traced how far back into fossil history?
- about 30 million years
- about 100 million years
- about 250 million years
How fast is the mantis shrimp's ability to strike with its hammer or spear?
- 50 times as fast as a blink of an eye
- 10 times as fast as a blink of an eye
- five times as fast as a blink of an eye
Due to the extreme speed of the strike, what happens to the water around the shrimp's attack limb?
- It changes color.
- It cavitates.
- It becomes harder than normal water.
How does cavitation affect the prey?
- It adds a powerful shock wave to the attack.
- It boils them.
- It makes them more buoyant and easier to eat.
True or false: Mantis shrimp do not chase their prey.
Why do some female mantis shrimp have to lay two clutches of eggs instead of one?
- so that she has something to eat during the offspring's larval stage
- so the male can take care of one
- so she can scurry back and forth between the two
How do mantis shrimp fight each other over territory?
- They treat each other like prey.
- They scuffle.
- They trick each other.
Which set of appendages develops into the weapons that the shrimp uses to kill prey?
- first set
- second set
- third set
What's the longest that some mantis shrimp live in the wild?
- 18 months
- three years
- 20 years or longer
True or false: Mantis shrimp are all monogamous.
At what speed does the shrimp unleash its hammer weapon?
- 30 feet per second (9 meters per second)
- 75 feet per second
- 90 feet per second
How many creatures on Earth can create circular polarization with their visual system?
True or false: Mantis shrimp are not actually shrimp.
The taste of mantis shrimp flesh is often compared to what?
How does a mantis shrimp process all of the visual information collected by its eyes?
- in the eye
- in the brain
- in the brain stem
As time goes by, what happens to the mantis shrimp's clublike weapon?
- It breaks down.
- It gets sharper.
- It becomes articulated.
What's one reason that the shrimp's eyes process visual information instead of the brain?
- lack of intelligence
- sea water effects the brain
Why do many aquarists avoid keeping mantis shrimp as pets?
- They are too violent.
- They eat just about everything.
- They are hard to care for.