---
title: "Vermilion Star"
description: "Mediaster aequalis — Outros animais. Mediaster aequalis is a species of sea star in the family Goniasteridae."
canonical: https://animalchecklist.com/pt/animal/vermilion-star
last_updated: 2026-09-20
---

# Vermilion Star

> Mediaster aequalis — Outros animais. Mediaster aequalis is a species of sea star in the family Goniasteridae.

- Scientific name: *Mediaster aequalis*
- Category: `other` (Outros animais)
- Habitats: `sea` (Mar e costa)
- iNaturalist observations: 1226
- Wikidata: [Q3017308](https://www.wikidata.org/wiki/Q3017308)
- iNaturalist taxon: [293174](https://www.inaturalist.org/taxa/293174)

## Names

- en: Vermilion Star
- es: Estrella bermellón de mar

## Countries with the most observations

CA (806), US (273)

## Summary

Mediaster aequalis is a species of sea star in the family Goniasteridae. It is native to the west coast of North America, ranging from Alaska to California. It is found in various habitats including beaches during very low tides, and at depths down to about 500 m (1,600 ft). Also known as the vermilion sea star, it is the type species of the genus Mediaster and was first described in 1857 by the American zoologist William Stimpson.

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

## Photo

![Vermilion Star](https://animalchecklist.com/img/animals/vermilion-star/medium.jpg)

Photo: Steph Brulot-Sawchyn · CC0 · inaturalist — https://www.inaturalist.org/observations/231111509

## Machine access

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