Under the Sea Quiz

Dive into the depths of the Ocean with this ‘Beneath The Sea’ trivia for Children!. Think Oceans, Sea Creatures, Cartoon Fish and Beautiful marine plant life for inspiration to ace our free Under the Sea Themed quiz.

You’ll find 50 questions divided into 5 rounds and a free printable version you can print off further down the page – Enjoy!

Round 1

1 – Which of these sea animals is a Crustacean – Crab, Seahorse or Jellyfish?

2 – How many arms does an Octopus have?

3 – Are Sharks – Mammals, Fish or Molluscs?

4 – What do Fish use their gills for?

5 – What typically covers the body of a fish?

6 – Are Fish Vertebrates or Invertebrates?

7 – What is the name of a group of ‘same species’ fish?

8 – What is the name of a group of ‘Mixed species’ fish?

9 – How many arms do (most) Starfish have?

10 – Are fish Warm or Cold-blooded?

Round 2

1 – All Crustaceans have a hard shell – True or False?

2 – Which sea creatures have 3 hearts and 9 brains?

3 – What ‘S’ is the only fish that can blink?

4 – What is the biggest fish on the planet?

5 – What species of fish was Nemo from the Disney film ‘Finding Nemo’?

6 – What is the Great Barrier Reef made up of?

7 – In which Country is the Great Barrier Reef located?

8 – What type of fish can inflate their bodies in water?

9 – Which ‘P’ is the deepest Ocean in the world?

10 – Which ‘A’ is the smallest Ocean in the world?

Round 3

1 – Are JellyFish Vertebrates or Invertebrates?

2 – Which are Faster – Sailfish or Whales?

3 – What was the name of ‘Ariel the Little Mermaid’s’ best friend?

4 – Tropical fish live in Cold Water – True or False?

5 – There are over There are 400 species of Eels – True or False?

6 – What ‘S’ is the name of the fish which produces Caviar?

7 – What ‘D’ is the name of the fin located on the back of most marine and freshwater vertebrates?

8 – Stonefish are venomous – True or False?

9 – What type of fish is ‘Jaws’ from the film of the same name?

10 – What is the most popular (cold water) aquarium fish in the world?

Round 4

1 – What mammal’s most common species is the bottlenose?

2 – Fish have lungs – True or False?

3 – What types of sea mammals have species called ‘Galapagos Fur ‘ and ‘Southern Elephant’?

4 – Which mammals are often called the ‘unicorns of the sea’ due to their long tusks protruding from their heads?

5 – Are Electric Eels nocturnal or Diurnal?

6 – In which animated TV series would you find ‘Blinky’ the three-eyed fish?

7 – What type of boat propels itself under the sea?

8 – What marine fish are the only species in which the male gets pregnant and gives birth?

9 – What does a ship launch into the Sea to hold its position?

10 – What kind of creature is SpongeBob?

Round 5

1 – A sailfish can swim up to 68 miles per hour – True or False?

2 – In which movie would you find a Crab named Sebastian?

3 – What species of whale are black and white?

4 – Are Sea Anemones plants or animals?

5 – Are Sea Turtles – Fish, Crustaceans or Reptiles?

6 – Which are larger, Male or Female Stingrays?

7 – What can Squids shoot out as a defence mechanism?

8 – Sheepshead fish have teeth like humans – True or False?

9 – What is the purpose of an Anglerfish’s bioluminescent light on the top of their heads?

10 – How many walking legs do Lobsters have?


How To Print This Quiz

To print the quiz graphic below click here.  For the full 50 Question version click the print button found at the bottom of this page or click here.

Under the Sea Trivia


All of the Quizzes on Quiz Questions UK are free for personal use – Enjoy!




If you liked this Under the Sea quiz, have any quiz requests, spotted a mistake, or would like to let us know how you got on, please let us know in the comments below…

Claire Roach is a professional quizzer, gamer and developer who turned her passion for knowledge into a hub for FREE quizzes!

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