Pea crabs are small crustaceans that live inside oysters.

The lady crabs scuttled across the sandy beach.

Glass-crabs are fascinating creatures.

I saw a group of sand crabs scurrying along the beach.

King crabs are a popular seafood delicacy.

I saw a group of swimming crabs at the beach.

The racing crabs were all lined up at the starting line.

The reef crabs scuttled across the ocean floor.

I love eating snow crabs.

I love eating chilli crabs at the seafood restaurant.