Forsterygion gymnotum, known commonly as the Tasmanian robust triplefin, is a species of triplefin blenny in the genus Forsterygion.

[2] It is native to coastal New Zealand, but has also been Introduced to Tasmania, Australia.

It was described by Eric Oswald Scott in 1977 from Tasmania.

[3] It is thought to have reached Tasmania from New Zealand through shipments of oysters.

This Blenniiformes article is a stub.