🐚 Odd Seashells and Shellfish Trivia

What's covered

• Shell morphology types
• Deep-sea gastropods
• Bivalve shell symmetry
• Cephalopod internal shells
• Abnormal shell growths
• Shell color patterns
• Shell spines and ridges
• Venomous marine snails
• Edible shellfish groups
• Pearl-forming mollusks
• Shells in fossil record
• Hermit crab borrowed shells
• Freshwater shell-bearing species

A few Odd Seashells and Shellfish questions

• What general group do shellfish usually include?
• Which of these is a bivalve?
• The paper nautilus is actually what kind of animal?
• What organ secretes and builds a bivalve’s shell?

Answers are in the game — questions are drawn fresh each round.

How it works

Pick a topic — any topic you can type — and TrivAI writes the questions, checks them against sources before serving, and fixes them when players report a problem. Answer before the fuse burns out to score double. Every 10 questions you can cash out or keep going, then challenge a friend to the exact same set.