Blue Planet III: Tropical Seas quiz

Blue Planet III: Tropical Seas on BBC One is a brand-new documentary narrated by Sir David Attenborough. Take our fun quiz and discover incredible facts about tropical oceans, coral reefs, sharks and amazing marine life.

Can you score top marks in our Blue Planet III: Tropical Seas quiz?

In Blue Planet III: Tropical Seas, narrated by Sir David Attenborough, we journey beneath the waves to explore one of the most vibrant and important habitats on Earth. From colourful coral reefs to incredible ocean predators, tropical seas are home to some of the planet's most fascinating wildlife.

Test your knowledge on everything from reef-building coral polyps and clever hunting groupers to sharks, tropical fish and the amazing creatures featured in episode one of Blue Planet III.

Think you can score top marks and become a tropical seas expert? Let us know your score in the comments below!

A fiddler crab stands on a sandy shore, showing its distinctive oversized claw and raised eyestalks.
Image caption,

A fiddler crab searching for a mate and keeping an eye out for threats. BBC Studios / Amelia McCarten

What is Blue Planet III on BBC One?

Narrated by Sir David Attenborough, Blue Planet III marks the return of the franchise that transformed audiences' understanding of life beneath the waves. Twenty-five years after the groundbreaking original series first brought the oceans into homes around the world, the new series reveals extraordinary new stories from some of Earth's most important and least understood environments.

When can I watch Blue Planet III: Tropical Seas on TV?

Episode 1 of Blue Planet III airs on BBC One and BBC iPlayer on Sunday evening. In this opening episode, Sir David Attenborough guides viewers through warm, shallow waters to reveal how tropical marine species adapt, hunt, and survive in dynamic reef ecosystems. Test your memory with our quiz right after watching!

Episodes will air weekly on Sundays, and you will be able to stream episodes 1 to 3 on BBC iPlayer, with 4 to 6 coming soon. Make sure to sign in to your BBC account to add the series to your Watchlist to never miss an episode.

What ocean animals feature in the Tropical Seas episode?

From cooperative hunting between groupers and moray eels, to the time and care spent by clownfish on their anemone home, Blue Planet III: Tropical Seas showcases some of the ocean's cleverest behaviour from some of the most incredible creatures.

The Blue Planet team captured stunning footage about coral bleaching, sea turtle navigation, and apex predators like reef sharks, and paired it with easy-to-understand facts narrated by Sir David Attenborough.

Discover more about these fascinating animals and how life thrives in the tropical oceans in our quiz.

A dugong feeds on a seagrass meadow, stirring up clouds of sand on the seabed while two small striped fish swim nearby.
Image caption,

A dugong, also known as a sea cow! BBC Studios / Shelton Du Preez

Play more Blue Planet III quizzes

Had your fun with this one and ready for the next challenge? Don't miss our Blue Planet III quiz series, publishing every Sunday alongside the show on BBC One.

Still to come: 

  • Episode 2: Open Ocean - 8th November

  • Episode 3: Seasonal Seas - 15th November

  • Episode 4: Polar Waters - 22nd November

  • Episode 5: The Deep - 29th November 

  • Episode 6: Future Seas - 6th December 

Play now:

Where can I watch Sir David Attenborough's Blue Planet III?

Watch Blue Planet III streaming on BBC iPlayer, with six weekly episodes every Sunday on BBC One starting with Tropical Seas on November 1st.

Stay tuned to the CBBC website for our weekly Blue Planet III quizzes. Test yourself on the facts and animals featured in each episode and make sure to share with your friends and family to decide who rules the waves in your house!

You can find more exciting exclusive footage and facts including a deeper dive on how the series was made, on the Blue Planet III programme website.

Blue Planet III logo surrounded by glowing jellyfish and an octopus against a deep blue ocean-themed background.

More nature quizzes from CBBC

If you're looking for more from Sir David Attenborough and other wonderful nature from CBBC, make sure you check out our animals collection! 

Explore Earth Day with CBBC to find even more nature, geography and animal quizzes, games and things to do from One Zoo Three, Blue Peter, Deadly 60 and lots more.