(Austrogomphus cornutus)
Austrogomphus cornutus, also known as Austrogomphus (Austrogomphus) cornutus, is a species of dragonfly of the family Gomphidae, commonly known as the unicorn hunter. It inhabits streams and rivers in eastern Australia. Austrogomphus cornutus is a tiny to medium-sized, black and yellow dragonfly.