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Ocean Life
From sunlit reefs down to the pitch-black midnight zone, meet the swimmers, stingers and singers you share a planet with. Ready to get wet?
🦁 Animals
medium
20 questions
~7 min
What this quiz asks
- Which is the largest fish in the ocean?
- Dolphins are mammals rather than fish.
- What do blue whales eat almost exclusively?
- Coral reefs are built by which kind of animal?
- Jellyfish belong to which animal group?
- Is a seahorse a fish?
- What is the name for the light that deep-sea animals generate inside their own bodies?
- Select ALL of these sea creatures that are mammals.
- Which ocean layer, beginning around 1,000 metres down, receives no sunlight at all?
- In seahorses, which parent carries the developing young?
- Which of these animals can regrow a lost limb, and sometimes an entire body from one?
- The narwhal's famous spiralling tusk is actually an overgrown what?
- Sea otters wrap themselves in kelp so they do not drift away while sleeping.
- Order these ocean animals from smallest to largest adult size.
- Coral bleaching happens when stressed corals expel what?
- The deepest known point in the ocean is called what?
- Which animal has the largest eyes of any creature on Earth?
- Which fish grows up in European rivers but crosses the Atlantic to spawn in the Sargasso Sea?
- Select ALL of these animals that are cephalopods.
- Roughly how much does the heart of an adult blue whale weigh?