---
title: "Smooth Sea Star"
description: "Hacelia attenuata — Other animals. Hacelia attenuata is a species of sea star."
canonical: https://animalchecklist.com/animal/smooth-sea-star
last_updated: 2026-09-20
---

# Smooth Sea Star

> Hacelia attenuata — Other animals. Hacelia attenuata is a species of sea star.

- Scientific name: *Hacelia attenuata*
- Category: `other` (Other animals)
- Habitats: `sea` (Sea & coast)
- iNaturalist observations: 749
- Wikidata: [Q583390](https://www.wikidata.org/wiki/Q583390)
- iNaturalist taxon: [326332](https://www.inaturalist.org/taxa/326332)

## Names

- en: Smooth Sea Star
- de: Glatter Seestern
- es: Estrella naranja
- fr: Etoile de mer lisse

## Countries with the most observations

FR (372), ES (181), IT (94), HR (24), GR (19), PT (11), TR (3)

## Summary

Hacelia attenuata is a species of sea star. The type species of the genus Hacelia, it was  described by John Edward Gray in 1840. It is found in the Mediterranean Sea.

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

## Photo

![Smooth Sea Star](https://animalchecklist.com/img/animals/smooth-sea-star/medium.jpg)

Photo: Theodoros Alexandropoulos · CC0 · inaturalist — https://www.inaturalist.org/observations/4188109

## Machine access

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