---
title: "Porcellion large"
description: "Porcellio dilatatus — Autres animaux. Porcellio dilatatus (Commonly known as the Giant canyon isopod) is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae."
canonical: https://animalchecklist.com/fr/animal/giant-canyon-woodlouse
last_updated: 2026-09-20
---

# Porcellion large

> Porcellio dilatatus — Autres animaux. Porcellio dilatatus (Commonly known as the Giant canyon isopod) is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae.

- Scientific name: *Porcellio dilatatus*
- Category: `other` (Autres animaux)
- Habitats: unknown
- iNaturalist observations: 2966
- Wikidata: [Q82885](https://www.wikidata.org/wiki/Q82885)
- iNaturalist taxon: [339101](https://www.inaturalist.org/taxa/339101)

## Names

- en: Giant Canyon Woodlouse
- es: Cochinilla del cañón gigante
- fr: Porcellion large
- nl: Brede pissebed

## Countries with the most observations

US (1537), PT (279), FR (184), MX (182), AU (109), AR (93), BR (47), IT (42), ES (34), CO (28), BO (24), DE (18)

## Summary

Porcellio dilatatus (Commonly known as the Giant canyon isopod) is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae. This species is widespread in Europe, and has also been introduced to North America from Western Europe. They are 15 millimetres (0.59 in) long, are brown coloured and striped. As typical for woodlice, they are saprophages, feeding on decaying organic matter, usually from plants.

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

## Photo

![Porcellion large](https://animalchecklist.com/img/animals/giant-canyon-woodlouse/medium.jpg)

Photo: Theo Summer · CC0 · inaturalist — https://www.inaturalist.org/observations/201188011

## Machine access

`GET https://animalchecklist.com/api/v1/animals/giant-canyon-woodlouse?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).