1. Bluegill Sunfish x Green Sunfish hybrid
2. Green Sunfish
3. Bluegill Sunfish
4. Green Sunfish
5. Green Sunfish
6. Longear Sunfish

Many of the sunfish in the lepomis genus have many characteristics that are very similar to other species within the genus. The red tip on the operlecular flap is a characteristic that is actually common to about a handful of sunfish. Take a look at this video I made that goes over all the sunfish species in the lepomis genus. There's a couple things in each species that makes it stick out from the others.