
Species profile
Sally Lightfoot Crab
Grapsus grapsus
At a glance
Sally Lightfoot Crab (Grapsus grapsus) is a crustacean present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.
Confirmed by 242 research-grade iNaturalist observations, with Florida, Texas, and California the top jurisdictions by observation count.
Notable details
- Named for their agility — they can sprint across wet rocks in any direction.
- Juveniles are jet-black, camouflaging them against dark volcanic rock in the Galapagos.
- Adults display vivid red, orange, and yellow shells that make them unmistakable.
- They pick parasites and dead skin from Galapagos marine iguanas and sea lions.
- Range extends along rocky Pacific shores from Baja California to southern South America.
Where Sally Lightfoot Crab are seen
Background
Grapsus grapsus is one of the most common crabs along the western coast of the Americas. It is known variously as, "red rock crab", "abuete negro", and along with crabs such as Percnon gibbesi as, "Sally Lightfoot".
Background excerpt adapted from Wikipedia's Sally Lightfoot Crab article (CC BY-SA). Visit Wikipedia for the full entry.
Other crabs/lobsters/shrimp on CatchRules
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.