Rock Bass Ambloplites rupestris
This species was found at 97 bioassessment sites, 3 rapid fish bioassessment sites, 67 fisheries assessment sites, and 0 fisheries presence-only assessment sites. In total, it was collected at 161 distinct sites, or 11.2% of the 1442 total sites monitored by the bioassessment program. It is the 41st most commonly collected species.
The Rock Bass was collected in 224 bioassessment sampling sessions and 323 fisheries assessment sessions. It was present in 3 rapid bioassessment sessions and 0 presence-only sessions.
The biological assessment program has collected a total of 8,012 individual Rock Bass specimens, ranking it the #34 most collected fish.
A stout, heavy-bodied sunfish with a large mouth, which extends beyond mid-eye when the mouth is closed. The spiny dorsal fin and soft dorsal fin are broadly connected, but without a notch. The dorsal fin is much longer and more noticeable than the anal fin. Six anal fin spines and 12 dorsal fin spines distinguish this fish from all other sunfish. The body is olive with brassy reflections and dark mottlings along the sides. The breast and belly are whitish, and the lower side has spots that form horizontal lines. There is brown mottling and faint banding on the anal, dorsal and tail fins. The pectoral fins are rounded, set low and are amber-colored.
HUC12 watersheds where this species has been found