Tracking salmon sharks with custom-built sensors is helping researchers study ocean temperatures, salinity shifts, and ...

Fish welfare is, of course, a critical topic in salmon farming. It is therefore important to see the fish as individuals, ...

A man who decided to conduct an experiment by placing wild-caught salmon at the bottom of the ocean has left viewers feeling ...

Stressed fish tend to become unhealthy fish, so it's very important that fish farm operators spot stress as early as possible ...

Thomas Kline (USA) watches through crystal waters as pink salmon prepare to mate. With his camera placed in a likely spawning spot on the gravel stream bed, Thomas watched the flurry of underwater ...

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers say they can now spot those underwater baby bumps from the air and keep ...

“Salmon swimming upstream is a symbol of the arrival of autumn in Shiretoko,” said Katsunori Seki, an underwater photographer who has been observing salmon in the rivers here. “I hope we can ...