Scorpaena afuerae has a large, spiny head with deep pits in front of and to the rear of the eyes. The suborbitalridge has 3-4 spines. There are teeth in the centre of the roof of the mouth and at its sides. The preoperculum has 5 spines with the uppermost being the largest, with the spine nest to that also being comparatively strong. There is a row of fringed skin flaps along the edge of the preoperculum. There are 3 spines in a row to the rear of the eye and 2 on the upper margin of the operculum. There are skin flaps over the front of the upper jaw but none on the lower jaw or on the body. The dorsal fin has 12 spines and 9-10 soft raysXII while the anal fin has 3 spines and 5 soft rays. The pectoral has 19-21 finrays with the upper rays being branched and the lower rays are unbranched and thickened. This species has a uniform red colouration with indistinct stripes and spots. It has a maximum published length of, although is more typical.
Scorpaena afuerae rests on the bottom during the day but, become active at night when they feed on small crustaceans, octopus and small fish. It is a rare species.