Gold Coast GastropodsAsian Tramp Snail (Bradybaena similaris) Red Triangle Slug (Triboniophorus graeffei)

Triboniophorus graeffei, commonly known as the Red Triangle Slug, is a large air-breathing land slug. A terrestrial pulmonate gastropod mollusk in the family Athoracophoridae, the leaf-veined slugs.

The Triboniophorus graeffei can be up to 15 cm in length, and is a colourful and striking looking species found in eastern Australia. The slug can be varied in colour form from creamy-pink, pink, green and yellow. In all instances the triangle mark on the species is red.

A closely related species is the Kaputar Pink Slug (Triboniophorus aff. graeffei or Triboniophorus sp. nov. “Kaputar”).

Red Triangle Slug (Triboniophorus graeffei), Gold Coast QLD © Stefan Jones
Red Triangle Slug (Triboniophorus graeffei), Gold Coast QLD © Stefan Jones
Red Triangle Slug (Triboniophorus graeffei), Gold Coast QLD © Stefan Jones
Red Triangle Slug (Triboniophorus graeffei), Gold Coast QLD © Stefan Jones

  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Mollusca
  • Class: Gastropoda
  • Informal: Orthogastropoda
  • Subclass: Heterobranchia
  • Infraclass: Euthyneura
  • Cohort: Tectipleura
  • Informal: Panpulmonata
  • Superorder: Eupulmonata
  • Order: Stylommatophora
  • Suborder: Helicina
  • Infraorder: Succineoidei
  • Superfamily: Athoracophoroidea
  • Family: Athoracophoridae
  • Subfamily: Aneitinae
  • Genus: Triboniophorus
  • Species: Triboniophorus graeffei

Footnote & References

  1. Photographs © Stefan Jones
  2. Triboniophorus graeffei Humbert, 1863, Red-Triangle Slug, Atlas of Living Australia, https://bie.ala.org.au/species/Triboniophorus graeffei

Gold Coast GastropodsAsian Tramp Snail (Bradybaena similaris) Red Triangle Slug (Triboniophorus graeffei)

Gold Coast RegionFauna Gastropods Insects Marsupials Spiders

QueenslandQueensland Fauna Gold Coast Region Lamington National Park Southern Downs QLD