That fish isn't a perch, it's actually called the Bluegill Sunfish

Fish Species of Golden Ridge Reserve, The Angler

Longear sunfish Mountains to Marsh

Illinois State Fish: The Pound-for-Pound Champ

Sunfish Hybrid ID Walk-Through — Koaw Nature

Perch, bream, and sunfish–what's the difference? – The Fisheries Blog

Are Bluegills and Sunfish The Same Fish?

Native Fish Care Sheets - New to Native Fishes - NANFA Forum

Fish Facts: Bluegill (Lepomis macrochirus) - Orvis News

Sunfish Care - Keeping Pumpkinseeds, Bluegills and Their Relatives

Summer Means Hot Bluegill Fishing