Kelsey James/NOAA Fisheries Gary Longo was looking for what he thought would be small genetic differences across a single species of small, ocean-dwelling fish: Pacific sardine. But as he examined ...

Research led by the University of Oxford has found that oceanographic connectivity (the movement and exchange of water between different parts of the ocean) is a key influence for fish abundance ...

The shrinking size of Alaska salmon, a decades-long trend linked in part to warming conditions in the ocean ... related to fish size, with many of the returning salmon being too small to be ...