Some fish change colors to blend in with their environment, but the stargazer fish has a different camouflaging technique. It ...

Zooplankton like copepods aren’t just fish food—they’re carbon-hauling powerhouses. By diving deep into the ocean each winter ...

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 ...

Some types of “walking” fish called sea robins can use their taste bud-covered legs to detect prey buried beneath the sandy covering of the seafloor.

And smaller fish, whether female or male, are less robust and less likely to make the full journey, especially up the full length of the nearly 2,000-mile Yukon River, she said. “It carries over ...

Typically, two-ocean-year and three-ocean-year fish are more evenly matched, and in some years, there are more of the latter group, he said. There also appear to be more widespread and longer-term ...