Scorpaenopsis insperatus Motomura 2004

No median interorbital ridge; well-developed interorbital ridges conjoined at anterior edge of occipital pit; upper opercular and posterior lacrimal spines simple, not divided; 30-34 longitudinal scale rows; 3 suborbital spines; fifth dorsal fin spine longest; large orbit diameter (5.4-5.6 in HL); short snout length (3.7-3.9 in HL) less than orbit diameter; narrow interorbital width (5.4-5.6 in HL) less than orbit diameter; narrow space between ventral margin of eye and suborbital ridge.

Dorsal spines (total): 12; Dorsal soft rays (total): 9; Analspines: 3; Analsoft rays: 5; Vertebrae: 24

Found on sandy bottom at depth of 14.4 m.

Scorpaenopsis insperatus, the Sydney scorpionfish, is a species of venomous marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. This species is found in the Southwestern Pacific.