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.

🐙 Sea animal trivia for kids - ocean quiz with answers

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.

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