Like humans, male bluegill normally have an XY chromosome pair while females have XX. Wang gives the fish estrogen to produce males that are biologically female -- they can produce eggs -- but are ...

Sunfish is a collective term that includes a variety of fish species that live and reign in still, warm water like ponds and ...

Bluegills are often at their most aggressive during the spawning seasons of other fish like bass and perch within the same body of water. They are notorious egg raiders, sometimes attacking nests ...

Male bluegills are easy to catch when they are guarding the nests in shallow water. Cast from a distance instead of getting close if the water is clear. Fish will be less finicky if they don’t see you ...

According to the PAFBC’s online resource, “Pennsylvania Fishes,” bluegills spawn from May to August, when water temperatures reach 67 degrees, and one female can lay up to 38,000 eggs in one ...