English

a red rock crab (Grapsus grapsus) in Ecuador

Noun

red rock crab ‎(plural red rock crabs)

1. Any of the red crabs often found living on rocky coasts.
   1. Cancer productus, common along the western coast of North America
   2. Grapsus grapsus, common along the western coast of South America
   3. Guinusia chabrus (formerly Plagusia chabrus), found in the southern Indian and Pacific Oceans from South Africa to Chile