There is no "panfish" family, it's a term fishermen use to catagorize pan-sized fishes, it has no place in scientific classification. Yellow perch and walleye belong to the perch family (Perchidae) along with darters. Bluegill, crappie and other sunfishes, including largemouths smallmouths and other black basses all belong to the sunfish family (Centrarchidae). Bullhead catfish belong to the North American bullhead catfish family (Ictaluridae) along with channel catfish, flatheads, madtoms and others. White perch belong to the temperate bass family (Moronidae) along with striped bass, white bass and yellow bass.
All the fish on the first page of this thread are bluegill, the black spot on the soft spot of the dorsal fin is the biggest give away. All bluegill with have this in life or death. Green sunfish also have a black spot on their dorsal but they also have one on the anal (bluegills don't) and their facial structure is completely different from any bluegill or lepomis for that matter (the genus that greens, bluegill, pumpkinseed, longears and many sunfish belong to). All the fish in the second series of pictures are longear sunfish.
Crappie and bluegill cannot breed, at least not to anyones knowledge. It's very unlikely that they can.
I hope I am not coming off as arrogant, or a know-it-all but I just felt the need to correct the information. Fish and their taxonomy are confusing as it is.
there are no photo's of pumpkinseed but there call that locally
