Canthigaster marquesensis[2] is a species of pufferfish in the family Tetraodontidae.

It is known only from Nuku Hiva in the Marquesas Islands, where it is found at a depth range of 15 to 42 m (49 to 138 ft).

It is a reef-associated marine species that reaches 7.1 cm (2.8 inches) SL.

It feeds on algae and small invertebrates.

This Tetraodontiformes article is a stub.