---
title: "Galapagos Slate Pencil Urchin"
description: "Eucidaris galapagensis — Altri animali. Eucidaris galapagensis, commonly referred to as the slate pencil sea urchin, is a species of echinoderms in the family of Cidaroid."
canonical: https://animalchecklist.com/it/animal/galapagos-slate-pencil-urchin
last_updated: 2026-09-20
---

# Galapagos Slate Pencil Urchin

> Eucidaris galapagensis — Altri animali. Eucidaris galapagensis, commonly referred to as the slate pencil sea urchin, is a species of echinoderms in the family of Cidaroid.

- Scientific name: *Eucidaris galapagensis*
- Category: `other` (Altri animali)
- Habitats: `sea` (Mare e costa)
- iNaturalist observations: 850
- Wikidata: [Q16635152](https://www.wikidata.org/wiki/Q16635152)
- iNaturalist taxon: [60503](https://www.inaturalist.org/taxa/60503)

## Names

- en: Galapagos Slate Pencil Urchin

## Countries with the most observations

EC (802)

## Summary

Eucidaris galapagensis, commonly referred to as the slate pencil sea urchin, is a species of echinoderms in the family of Cidaroid. This sea urchin lives in coastal areas in the Galapagos, Clipperton, and Cocos. The preferred substrate of these organisms is rocky, benthic environments that provide refuge. In fact, greater abundance of Slate Pencil Sea Urchins is correlated with correct substrate, as well as greater food availability. Their diet is primarily herbivorous, however, they also consume various invertebrates. They graze heavily on live corals and algae in open, shallow reef habitats. Their grazing schedule…

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

## Photo

![Galapagos Slate Pencil Urchin](https://animalchecklist.com/img/animals/galapagos-slate-pencil-urchin/medium.jpg)

Photo: Theo Summer · CC0 · inaturalist — https://www.inaturalist.org/observations/259815431

## Machine access

`GET https://animalchecklist.com/api/v1/animals/galapagos-slate-pencil-urchin?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).