Spiny Mole Crab🦀🌊 The Tiny Wave Rider of the Beach | All About Animals @topfans The Spiny Mole Crab (also called sand crab or sand flea) is a small armored beach dweller that thrives where the ocean meets the land. Just a few centimeters long, it has smooth oval bodies with protective spines and no claws—only perfect tools for digging backward into wet sand. These crabs use feathery antennae to filter food from waves, living as “wave chasers” that follow the surf line in large groups. Essentia