The spring pygmy sunfish faces a long list of specific threats, including degradation of water quality, reduction of water quantity, and pollution in the form of pesticide and agricultural runoff.

Feeling that tug on the line, an angler sets the hook and reels in a small sunfish, then asks the perennial question: Should I keep it? Sunfish, also known as bluegills and pumpkinseeds, are a go-to ...

It’s the latest twist in Nyegaard’s career studying sunfish, one that’s spanned more than a decade and thousands of miles as she’s tried to identify ... sunfish species called Mola species ...