Ocean Animals Quiz
Try out this Ocean Animals quiz to test your knowledge. Ocean Animals trivia explores the remarkable diversity of marine life, from dolphins, turtles, and sharks to jellyfish, octopuses, and animals adapted to the deep sea.
15 questions
~3 min to finish
Easy to hard difficulty
570 pts max score
Question 1 · Hard · 40 pts
Which fish was long known only from fossils until a living specimen was identified in 1938?
Question 2 · Hard · 40 pts
What animal has the largest eyes known in the animal kingdom?
Question 3 · Hard · 40 pts
Which shark is known for exceptional longevity measured in several centuries?
Question 4 · Hard · 40 pts
What is the world's rarest marine mammal?
Question 5 · Hard · 40 pts
Which toothed whale is the deepest-diving?
Question 6 · Hard · 40 pts
What is the second-largest fish alive?
Question 7 · Hard · 40 pts
Which squid outweighs the giant squid?
Question 8 · Hard · 40 pts
Which shelled cephalopod manages buoyancy with gas-filled chambers?
Question 9 · Hard · 40 pts
What is the largest living turtle?
Question 10 · Hard · 40 pts
Which ribbon-like fish is among the longest bony fish in the world?
Question 11 · Hard · 40 pts
What shark can rapidly project its jaws forward to seize prey?
Question 12 · Hard · 40 pts
Which shark leaves neat round bite marks on larger animals?
Question 13 · Hard · 40 pts
What jellyfish can return from adult form to an earlier life stage?
Question 14 · Hard · 40 pts
Which deep-sea fish has a transparent head shield?
Question 15 · Easy · 10 pts
What animal is the largest known to have ever lived on Earth?