Scalicus hians is a species of marine ray-finned fish belonging to the family Peristediidae, the armoured gurnards or armored sea robins.

Scalicus hians was first formally described as Peristedion hians in 1897 by the American scientists Charles Henry Gilbert & Frank Cramer with the type locality given as the Hawaiian Islands.

[2] The specific name hians means "gaping" or "open", it is not clear what this alludes to nor was it explained by Gilbert and Cramer.

[3] Scalicus hians reaches a maximum published total length of 20 cm (7.9 in).

[1] Scalicus hians is found in the western Pacific Ocean off southern Japan, the South China Sea and in the central western Pacific in Hawaii.