Mole crabs, also known as sand fleas, burrow under waves

Mole crabs are one of a Jacksonville marine biologist's favorites

Are mole crabs and sand fleas the same thing? - Quora

Found this burrowing in the sand - USA, Florida : r/biology

Meet the Mole Crab - Ocean Conservancy

The Marine Detective - Pacific Mole Crabs, aka Sand Crabs. being

Finding & Using Sand Crabs for Bait - The Best Bait for Surf Fishing

For Pacific Mole Crabs, It's Dig or Die, Blog, Nature

Sand Fleas (Mole Crabs or Sand Crabs) Prime surf fishing bait

What is the difference between a sand flea and a mole crab? - Quora

Sand Fleas (Mole Crabs or Sand Crabs) Prime surf fishing bait

Found at the Jersey shore, what is this thing : r/whatsthisbug

Mole Crabs – Facts and Photographs

Crunchy Munchies: Sand Crabs for Summer Stripers - The Fisherman

Weekly “What is it?”: Sand fleas (mole crabs) - UF/IFAS Extension