Pseudomonacanthus

Pseudomonacanthus is a genus in the filefishes native to the Indian and western Pacific Oceans.
Species
There are currently three recognized species in this genus:

Pseudomonacanthus elongatus Fraser-Brunner, 1940 (Fourband leatherjacket)
Pseudomonacanthus macrurus (Bleeker, 1857) (Strap-weed filefish)
Pseudomonacanthus peroni (Hollard, 1854) (Pot-bellied leatherjacket)

References...