Shore life · La Saladita, Guerrero
Sally Lightfoot Crab
Grapsus grapsus
Spanish: Zapaya
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".
TaxonomyMalacostraca › Decapoda › Grapsidae
Local records157 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records17,186 on iNaturalist
Most recent records2026 – 2026
Months of the 8 most recent records
JanFebMarAprMayJunJulAugSepOctNovDec
Recent local sightings
- 2026-09-09 — observation by cvanduelmen
- 2026-07-31 — observation by sandra1825
- 2026-07-26 — observation by bastian_zarzab
- 2026-07-26 — observation by bastian_zarzab
- 2026-07-21 — observation by santiago_flores
- 2026-07-21 — observation by santiago_flores
Interactive card with more photos, sounds and similar species Shore life guide iNaturalist Wikipedia
Cite as: “Sally Lightfoot Crab (Grapsus grapsus) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/grapsus-grapsus/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.