If your fish are spending a lot of time near the surface of the water, it could be normal fishy behavior, or it could be a ...

Hole-in-the-Head disease, often abbreviated as HITH, is an alarmingly common and frustratingly persistent condition that can ...

The fish appeared to lose their inhibitions. By Rebecca Dzombak It has to be stressful: an obstacle course of giant dams, rushing rapids and hungry predators. That’s what juvenile salmon can ...