This species is known to inhabit inshore waters, including brackish and freshwater habitats. It is a lightly predatory creature, feeding on small fish and shrimp. Reports indicate that it also consumes scales.
distinctive characters
This species has a dorsal fin with 11-12 spines and 9-11 rays, an anal fin with 3 spines and 7-10 rays, and pectoral fin rays of 13-14. Its body depth is 2.5-3.2 in standard length, and the spinous part of the dorsal fin is strongly arched and deeply notched. Additionally, the penultimate dorsal spine is shorter than the ultimate dorsal spine, and the lower opercular spine is very long, extending distinctly beyond the edge of the opercular flap.