Red Triangle Slug Triboniophorus graeffei

The red triangle slug, scientific name "Triboniophorus graeffei", is a species of large air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Athoracophoridae, the leaf-veined slugs. This large, often colorful and striking-looking species is found in eastern Australia. It is Australia's largest native land slug. It is a common part of the fauna.