Beneath the surface, a fascinating world of communication unfolds, where the seemingly simple swim bladder plays a pivotal role. Think of a swim bladder like a tiny balloon in bony fish (Osteichthyes) ...

BELLEVUE — Idaho’s fishery researchers are experimenting with a sex-altering hormone to curb unwanted populations of brook trout and have stocked four streams with monosex trout that can produce only ...

Many fish appear to hang effortlessly in the water while they wait for prey, defend a nest or pause between bursts of activity. But our research shows that this quiet stillness is anything but ...