Atlantic Ghost Crab

Ocypode quadrata · Also known as: ghost crab, sand crab

Night sprinter of Ocean City and Assateague beaches. Pale crabs that vanish into burrows above the wrack line.

Atlantic Ghost Crab (Ocypode quadrata) — Ocean City, Maryland
Photo via Wikipedia / Wikimedia Commons — Atlantic ghost crab

Quick facts

GroupBeach crustacean
Likelihood nearby★★★★★
Habitats Ocean beach, Dunes, Assateague State Park, Assateague National Seashore
Seasons (this coast)spring, summer, fall

How to recognize them

  • Square body, pale yellow-white to gray, stalked eyes, unequal claws.
  • Fast sideways runs; burrow openings pepper the upper beach.

Biology notes

  • NPS notes ghost crabs scavenging the beach at night for crustaceans, fish scraps, and other wrack.
  • Mostly nocturnal; daytime animals hide in cool burrows.

Where to see them around Ocean City

  • Ocean City beach above the high-tide line after dusk—use a dim light.
  • Assateague Island State Park and National Seashore ocean beaches.

When to look

  • Warm nights spring–fall; scarce in cold winter sand.

Viewing tips & etiquette

  • Watch your step near burrows; avoid shining blinding lights into holes for long.
  • Do not dig up burrows—crabs need them to survive heat and predators.

Sources & further reading