Inhabits rocky and sandy pools of headwaters, creeks, and small to medium rivers. Usually found near vegetation .
Presence of red spot on upwardly slanted ear flap. Pectoral fin usually with 40 rays. Lateral line with 40 or fewer scales .
Behavioural data for Northern sunfish is currently being reviewed.
Diet information for Northern sunfish is currently being compiled.
Reproduction data for Northern sunfish is currently being compiled.
Freshwater; benthopelagic. Temperate North America: St.
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