Diagnostic characters: Body moderately deep and compressed, its depth 1.8 to 2.3 times in standard
length; dorsal profile more convex than ventral profile. Mouth pointing downward when protracted. Gill
rakers slightly less than 1/2 length of corresponding gill lamellae, total gill rakers on first gill arch 21 to 24.
Dorsal- and anal-fin spines strong, only slightly elongate, second dorsal-fin spine between 1/3 and
1/2 body depth. Head and breast scaleless