Question 1: Octopus limbs are not called tentacles. What are they actually called?
Correct Answer: Arms
Fact: Though they were called tentacles in the past, scientists now refer to octopus limbs as arms. And each of those arms can taste, touch, and act independently of the others.
Question 2: What unusual adaptation has the red octopus developed?
- Sound mimicry
- Breathing on land
- Glowing suckers
Correct Answer: Glowing suckers
Fact: In the cold waters of the Atlantic, the red octopus, also known as the 'glowing sucker octopus' uses bioluminescence to attract prey—and to impress marine biologists.
Question 3: Which mythical creature is thought to have been inspired by the octopus?
- Loch Ness monster
Correct Answer: Kraken
Fact: Tales of the kraken's penchant for attacking ships with its many arms makes it a fearsome idea. But based on descriptions and drawings, the kraken sure looks a lot like a large octopus.
Question 4: What superlative is often used to describe the lowly stonefish?
- Most venomous
- Most boring
Correct Answer: Most venomous
Fact: These well-camouflaged fish swim near the seabed in reef areas. And they pack the most potent, painful venom of any venomous fish.
Question 5: Pufferfish is the main ingredient in a type of sashimi that is deadly if not prepared correctly. What’s the dish called?
Correct Answer: Fugu
Fact: The pufferfish’s toxin will kill any animal that eats it, including humans. So fugu must be prepared carefully to avoid the parts of the fish that hold the poison.
Question 6: Giant isopods live in some of the deepest parts of the Earth’s oceans. What do these creatures resemble?
Correct Answer: Insects
Fact: Perhaps this question should have come with a trigger warning for creepy crawlies. Aren’t you glad giant isopods live at the bottom of the ocean?
Question 7: Is a whale shark a whale or a shark?
Correct Answer: Shark
Fact: These gentle giants of the ocean are indeed sharks, but they don’t have the sharp teeth that other sharks do, and primarily feed on tiny krill.