ArkysArkys alatus (Winged Arkys) Arkys alticephala (High-headed Arkys) Arkys cornutus (Horned Triangular Spider) Arkys curtulus (Small Bird-dropping Spider) Arkys lancearius (Triangular Spider) Arkys walckenaeri (Walckenaer’s Studded Triangular Spider)

A beautiful spider with a triangular to heart-shaped abdomen, and white spots on a bright coloured reddish to orange body, trimmed in yellow.

An ambush predator, its two pairs of front legs with spines help it capture prey. They have a “wait and pounce” hunting style. The two pair of hind legs are smaller.

The females are up to 9 mm in body length, the males being smaller.

Arkys cornutus, Narara NSW © Michael Doe
Arkys cornutus, Narara NSW © Michael Doe
Arkys cornutus, Narara NSW © Michael Doe
Arkys cornutus, Narara NSW © Michael Doe
Arkys cornutus, Woy Woy Bay NSW © Michael Doe
Arkys cornutus, Woy Woy Bay NSW © Michael Doe

This section is a work in progress…


  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Chelicerata
  • Class: Arachnida
  • Order: Araneae
  • Infraorder: Araneomorphae
  • Family: Arkyidae
  • Genus: Arkys
  • Species: Arkys cornutus

Footnote & References

  1. Photographs Arkys cornutus © Michael Doe
  2. Arkys cornutus L. Koch, 1872, Atlas of Living Australia, https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/e998fb62-f617-4533-8d14-27e68250dabd

ArkysArkys alatus (Winged Arkys) Arkys alticephala (High-headed Arkys) Arkys cornutus (Horned Triangular Spider) Arkys curtulus (Small Bird-dropping Spider) Arkys lancearius (Triangular Spider) Arkys walckenaeri (Walckenaer’s Studded Triangular Spider)

SpidersIndex of Spider Images Spiders in Australia Araneidae — Orb Weavers Arkys Australian Huntsman Spider Barking Spider Black House Spider Carepalxis sp Celaenia sp Crab Spiders Deinopidae — Net-casting Spiders Dolomedes sp Dolophones sp Flower Spiders Hackled Orbweavers (Uloboridae) Jewel Spider Jumping Spider Long Jawed Spider (Tetragnatha sp) Lynx Spider (Oxyopes) Mangrovia albida Maratus volans Missulena occatoria (Red-headed Mouse Spider) Miturgidae Nicodamidae (Red and Black Spider) Ogre-faced Net-casting Spider Poltys sp (Twig Spider) Redback Spider Scorpion-tailed Spider (Arachnura higginsi) Thomisidae Tiger Spider (Trichonephila plumipes) White-spotted Swift Spider (Nyssus albopunctatus) Wolf Spider

SpidersIndex of Spider Images Spiders in Australia Araneidae — Orb Weavers Arkys Australian Huntsman Spider Barking Spider Black House Spider Carepalxis sp Celaenia sp Crab Spiders Deinopidae — Net-casting Spiders Dolomedes sp Dolophones sp Flower Spiders Hackled Orbweavers (Uloboridae) Jewel Spider Jumping Spider Long Jawed Spider (Tetragnatha sp) Lynx Spider (Oxyopes) Mangrovia albida Maratus volans Missulena occatoria (Red-headed Mouse Spider) Miturgidae Nicodamidae (Red and Black Spider) Ogre-faced Net-casting Spider Poltys sp (Twig Spider) Redback Spider Scorpion-tailed Spider (Arachnura higginsi) Thomisidae Tiger Spider (Trichonephila plumipes) White-spotted Swift Spider (Nyssus albopunctatus) Wolf Spider