---
title: "Long-armed Brittle Star"
description: "Amphiodia occidentalis — Autres animaux. Amphiodia occidentalis, the long-armed brittle star, is a species of brittle star belonging to the family Amphiuridae."
canonical: https://animalchecklist.com/fr/animal/long-armed-brittle-star
last_updated: 2026-09-20
---

# Long-armed Brittle Star

> Amphiodia occidentalis — Autres animaux. Amphiodia occidentalis, the long-armed brittle star, is a species of brittle star belonging to the family Amphiuridae.

- Scientific name: *Amphiodia occidentalis*
- Category: `other` (Autres animaux)
- Habitats: `sea` (Mer et côte)
- iNaturalist observations: 834
- Wikidata: [Q2416102](https://www.wikidata.org/wiki/Q2416102)
- iNaturalist taxon: [56670](https://www.inaturalist.org/taxa/56670)

## Names

- en: Long-armed Brittle Star

## Countries with the most observations

US (473), CA (150)

## Summary

Amphiodia occidentalis, the long-armed brittle star, is a species of brittle star belonging to the family Amphiuridae. It is found in the Eastern Pacific coast from Alaska to USA, often on the seafloor within intertidal and subtidal zones. Within these areas, it is often found buried a few centimeters under the sand with 2 or 3 arms extending through the surface.

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

## Photo

![Long-armed Brittle Star](https://animalchecklist.com/img/animals/long-armed-brittle-star/medium.jpg)

Photo: Anna · CC0 · inaturalist — https://www.inaturalist.org/observations/80302969

## Machine access

`GET https://animalchecklist.com/api/v1/animals/long-armed-brittle-star?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).