---
title: "New Zealand Half Crab"
description: "Petrolisthes elongatus — Autres animaux. Petrolisthes elongatus, known as the New Zealand half crab, elongated porcelain crab, blue half crab, blue false crab or simply as the half crab or false crab, is a species of porcelain crab native to New Zealand."
canonical: https://animalchecklist.com/fr/animal/new-zealand-half-crab
last_updated: 2026-09-20
---

# New Zealand Half Crab

> Petrolisthes elongatus — Autres animaux. Petrolisthes elongatus, known as the New Zealand half crab, elongated porcelain crab, blue half crab, blue false crab or simply as the half crab or false crab, is a species of porcelain crab native to New Zealand.

- Scientific name: *Petrolisthes elongatus*
- Category: `other` (Autres animaux)
- Habitats: `sea` (Mer et côte)
- iNaturalist observations: 1942
- Wikidata: [Q7179002](https://www.wikidata.org/wiki/Q7179002)
- iNaturalist taxon: [410371](https://www.inaturalist.org/taxa/410371)

## Names

- en: New Zealand Half Crab

## Countries with the most observations

NZ (1557), AU (340)

## Summary

Petrolisthes elongatus, known as the New Zealand half crab, elongated porcelain crab, blue half crab, blue false crab or simply as the half crab or false crab, is a species of porcelain crab native to New Zealand.

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

## Photo

![New Zealand Half Crab](https://animalchecklist.com/img/animals/new-zealand-half-crab/medium.jpg)

Photo: anonymous · Public domain · inaturalist — https://www.inaturalist.org/taxa/410371

## Machine access

`GET https://animalchecklist.com/api/v1/animals/new-zealand-half-crab?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).