---
title: "Cangrejo de roca"
description: "Grapsus tenuicrustatus — Otros animales. Grapsus tenuicrustatus, commonly known as thin-shelled rock crab or Natal lightfoot crab, is a species of decapod crustacean in the family Grapsidae."
canonical: https://animalchecklist.com/es/animal/thin-shelled-rock-crab
last_updated: 2026-09-20
---

# Cangrejo de roca

> Grapsus tenuicrustatus — Otros animales. Grapsus tenuicrustatus, commonly known as thin-shelled rock crab or Natal lightfoot crab, is a species of decapod crustacean in the family Grapsidae.

- Scientific name: *Grapsus tenuicrustatus*
- Category: `other` (Otros animales)
- Habitats: `sea` (Mar y costa)
- iNaturalist observations: 8122
- Wikidata: [Q6495968](https://www.wikidata.org/wiki/Q6495968)
- iNaturalist taxon: [61373](https://www.inaturalist.org/taxa/61373)

## Names

- en: Thin-shelled Rock Crab
- de: Brandungs-Felsenkrabbe
- es: Cangrejo de roca
- fr: Crabe coureur commun

## Countries with the most observations

US (4458), TW (407), PF (297), ZA (226), MV (175), ID (149), LK (127), JP (123), TZ (117), MU (105), SC (87), RE (81)

## Summary

Grapsus tenuicrustatus, commonly known as thin-shelled rock crab or Natal lightfoot crab, is a species of decapod crustacean in the family Grapsidae.
The English common name natal sally-light-foot crab has been applied to the species by the FAO, and as the synonym Grapsus grapsus tenuicrustatus suggests, it had sometimes been classified as a subspecies of the sally-lightfoot.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Grapsus_tenuicrustatus

## Photo

![Cangrejo de roca](https://animalchecklist.com/img/animals/thin-shelled-rock-crab/medium.jpg)

Photo: Steve Wells · CC0 · inaturalist — https://www.inaturalist.org/observations/4448305

## Machine access

`GET https://animalchecklist.com/api/v1/animals/thin-shelled-rock-crab?lang=es` — see [openapi.json](https://animalchecklist.com/openapi.json).