When buying them fresh, bivalves should still be alive.
The difference between a shrimp and a prawn is in the claws. Prawns have 3 pairs and shrimp have 2.
Farming has made shellfish available year-round.
There are 4,500 different species of crab on the planet
How to tell when shellfish is fresh
Keep fresh shellfish alive until you are ready to eat it.
Crabs and lobster are decapods - they have ten legs