Shanghorn

The Shanghorn was a creature found on several different planets (or several creatures with the same name).

The Venusian Shanghorn was an aquatic, shark-like creature with sharp fangs. (WC: The War of Art) The Doctor knew a joke about trusting a Venusian shanghorn with your perigosto stick. (DW: The Green Death) The Venusian artist Radico Harstel created The Physical Impossibility of Getting a Shanghorn into a Glass Tank using a dead shanghorn. (WC: The War of Art)

Shanghorns could also be found on Ty. The Doctor once got caught up in a Shanghorn-running ceremony on Ty. (NSA: Ghosts of India)