---
title: "Pacific Rock Crab"
description: "Romaleon antennarium — Andere dieren. Romaleon antennarium (formerly Cancer antennarius), commonly known as the Pacific, brown or California rock crab, is a crab of the genus Romaleon found on the western coast of North America."
canonical: https://animalchecklist.com/nl/animal/pacific-rock-crab
last_updated: 2026-09-20
---

# Pacific Rock Crab

> Romaleon antennarium — Andere dieren. Romaleon antennarium (formerly Cancer antennarius), commonly known as the Pacific, brown or California rock crab, is a crab of the genus Romaleon found on the western coast of North America.

- Scientific name: *Romaleon antennarium*
- Category: `other` (Andere dieren)
- Habitats: `sea` (Zee en kust)
- iNaturalist observations: 9820
- Wikidata: [Q6496948](https://www.wikidata.org/wiki/Q6496948)
- iNaturalist taxon: [202315](https://www.inaturalist.org/taxa/202315)

## Names

- en: Pacific Rock Crab
- es: Cangrejo de rocas del Pacìfico

## Countries with the most observations

US (8544), CA (190), MX (28)

## Summary

Romaleon antennarium (formerly Cancer antennarius), commonly known as the Pacific, brown or California rock crab, is a crab of the genus Romaleon found on the western coast of North America.

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

## Photo

![Pacific Rock Crab](https://animalchecklist.com/img/animals/pacific-rock-crab/medium.jpg)

Photo: Erica Krimmel · CC0 · inaturalist — https://www.inaturalist.org/observations/74378010

## Machine access

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