Description: moderately deep-bodied; strongly differs from S. macrocephalus in the possession of extremely elongated pectoral fin rays that can measure approximately 40% of SL; head and mouth large; frontal profile straight to slightly concave; caudal fin rounded (Ref. 52307).

Coloration: body and head greenish to brownish, often with a flush of gold on dorsal areas; dark dots may be visible in dorsal and caudal fins; anal fin with reddish dots in soft portion; 8 dark vertical bars may be visible on upper body; mid-body occasionally with a dark horizontal band, often along with some dark blotches; throat and belly whitish (Ref. 52307).