Which marine mammal has tusks in both males and females?
Answer
Walrus
The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
Which ocean current flows around Antarctica without being blocked by continents?
Answer
Antarctic Circumpolar Current
Which jellyfish is famous for having the longest tentacles of any jellyfish?
Answer
Lion's mane jellyfish
Which mollusc is often called a living fossil because its lineage is ancient and distinctive?
Answer
Nautilus
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
Which ocean current flows around Antarctica without being blocked by continents?
Answer
Antarctic Circumpolar Current
Which fish lives at the greatest known ocean depths?
Answer
Hadal snailfish
Which jellyfish is famous for having the longest tentacles of any jellyfish?
Answer
Lion's mane jellyfish
Which living bivalve is the world's largest?
Answer
Giant clam
Which marine mammal holds the record for the deepest confirmed dive?
Answer
Cuvier's beaked whale
Which penguin species is the tallest and heaviest living penguin?
Answer
Emperor penguin
Which marine animal is known for producing the loudest sound of any animal?
Answer
Sperm whale
What defensive organ can some sea cucumbers eject when attacked?
Answer
Cuvierian tubules
What copper-based pigment makes horseshoe crab blood appear blue?
Answer
Hemocyanin