They shoot glue, puree their enemies, and are about the size of a leaf.
With 140 species of southern velvet worms (Peripatopsidae), and most of those in Australia, these tiny creatures are our home-grown invertebrate.
They normally live in rainforests, under logs or leaf litter, and they like to keep it damp and dark.
Cast your vote for Australia's most underrated animal here:
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Stream the brand-new series Dr Ann's Secret Lives on ABC iview.