---
title: "Common Triangular Spider"
description: "Arkys lancearius — Insekten & Spinnen. Arkys lancearius, the triangular spider, is a common Australian spider belonging to the family Arkyidae."
canonical: https://animalchecklist.com/de/animal/common-triangular-spider
last_updated: 2026-09-20
---

# Common Triangular Spider

> Arkys lancearius — Insekten & Spinnen. Arkys lancearius, the triangular spider, is a common Australian spider belonging to the family Arkyidae.

- Scientific name: *Arkys lancearius*
- Category: `insects` (Insekten & Spinnen)
- Habitats: unknown
- iNaturalist observations: 1580
- Wikidata: [Q1645402](https://www.wikidata.org/wiki/Q1645402)
- iNaturalist taxon: [201613](https://www.inaturalist.org/taxa/201613)

## Names

- en: Common Triangular Spider

## Countries with the most observations

AU (1554)

## Summary

Arkys lancearius, the triangular spider, is a common Australian spider belonging to the family Arkyidae. It is an ambush hunter, commonly found resting on leaves and ferns or hanging from just a few threads of silk. The front two pairs of legs are large, suited for grabbing small insects, while the rear pairs of legs are much smaller.

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

## Photo

![Common Triangular Spider](https://animalchecklist.com/img/animals/common-triangular-spider/medium.jpg)

Photo: andrew2285 · CC0 · inaturalist — https://www.inaturalist.org/observations/250288503

## Machine access

`GET https://animalchecklist.com/api/v1/animals/common-triangular-spider?lang=de` — see [openapi.json](https://animalchecklist.com/openapi.json).