It is of minor importance to local commercial fisheries and can also be found in the aquarium trade.

Coloring of the fish varies from pale gray to purple.

[3] Oxycheilinus digramma lives in coral reefs, sheltered inland areas, and lagoons, possibly at depths from 3 to 60 m (9.8 to 196.9 ft).

[2] Juveniles of O. digramma have been observed to live among the tentacles of the mushroom coral Heliofungia actiniformis.

[4] This species eats sea urchins, molluscs, and crustaceans.