Genyatremus luteus, the Torroto grunt, is a species of marine ray-finned fish, a sweetlips belonging to the subfamily Plectorhinchinae of the family Haemulidae.

There are 2 ports on the chin, but no central groove while the preoperculum has strong serrations at its corner large.

[5] Some authorities have argued that Genyatremus luteus is not a valid name and that this taxon is synonymous with Cuvier's Diagramma cavifrons.

Others argue that Cuvier's D. cavifrons is not a haemulid but is a member of another family altogether and that Bloch's L. luteus is valid and should be used as the type species of the genus Genyatremus.

[6] Genyatremus luteus is of minor importance to local commercial fisheries,[3] it is caught using seines and trawls and the catch is mostly sold fresh.