Pumpkinseed, red eared sunfish, or long ear sunfish? : r/Fishing

Longear Sunfish Missouri Department of Conservation

Identify Any Common Sunfish Koaw's Guide to Sunfishes (Lepomis)

Extreme Philly Fishing: Be a Sunfish Expert: A Simple Guide for Identifying your Small Catches

North American Native Fishtanks — Battle of the TRUE Sunfish Orange Spot Sunfish

Chicago outdoors: Tracking the mysterious striking northern sunfish - Chicago Sun-Times

Redear Sunfish - Aquaculture, Fisheries, & Pond Management

Sunfish Oregon Department of Fish & Wildlife

Wildlife Watching Wednesday: The Spunky Pumpkinseed Sunfish — Global Outdoors Blog

Redear Sunfish Missouri Department of Conservation