🐙 Sea animal trivia for kids - ocean quiz with answers

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Kids 6-12 12 questions

The ocean is full of surprises. Let's see how much you know about the animals that live under the waves!

Question 1 of 12 · Score 0

How many arms does an octopus have?

📋 All questions with answers (for teachers and parents)

How many arms does an octopus have?
Answer: Eight. An octopus has eight arms covered in suckers.
What is the largest fish in the ocean?
Answer: Whale shark. The whale shark is the biggest fish; the blue whale is bigger, but it is a mammal, not a fish.
How do dolphins breathe?
Answer: Through a blowhole. Dolphins swim up to the surface and breathe air through a blowhole on top of their head.
Which sea animal has no brain, no bones and no heart?
Answer: Jellyfish. Jellyfish are made mostly of water and have a simple net of nerves instead of a brain.
In seahorses, who carries the eggs until the babies hatch?
Answer: The father. Seahorse dads carry the eggs in a special pouch until the babies are born.
What can a sea star (starfish) grow back if it loses one?
Answer: An arm. Many sea stars can regrow a lost arm over time.
What is a group of fish swimming together called?
Answer: School. Fish swim in schools, which helps keep them safe from predators.
Which sea animal squirts ink to escape from danger?
Answer: Octopus. An octopus squirts a cloud of dark ink so it can slip away unseen.
Clownfish make their homes among which animals?
Answer: Sea anemones. Clownfish are protected from the anemone's sting and hide safely in its tentacles.
Where do sea turtles lay their eggs?
Answer: In nests dug on sandy beaches. Mother sea turtles crawl onto beaches, dig nests in the sand and lay their eggs there.
What kind of animal is a shark?
Answer: Fish. Sharks are fish with skeletons made of cartilage instead of bone.
Which sea creature has a hard shell and often walks sideways?
Answer: Crab. Crabs usually scuttle sideways because of the way their legs bend.

Quick answers

How many arms does an octopus have?

Eight. An octopus has eight arms covered in suckers.

What is the largest fish in the ocean?

Whale shark. The whale shark is the biggest fish; the blue whale is bigger, but it is a mammal, not a fish.

How do dolphins breathe?

Through a blowhole. Dolphins swim up to the surface and breathe air through a blowhole on top of their head.

Which sea animal has no brain, no bones and no heart?

Jellyfish. Jellyfish are made mostly of water and have a simple net of nerves instead of a brain.

In seahorses, who carries the eggs until the babies hatch?

The father. Seahorse dads carry the eggs in a special pouch until the babies are born.

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