Add Yahoo as a preferred source to see more of our stories on Google. A herd of grey seals lie on Hay Island off the coast of Nova Scotia in 2009. (Paul Darrow/Reuters - image credit) Canadian ...

To study fish or invertebrates in the sea, scientists often mark individual animals with acoustic tags that make soft, ultrasonic pinging noises. The marked swimmer can’t hear that noise, but other ...

Seals feeding on fish does not decrease fish stocks of Baltic cod, herring and sprat the most -- climate change, nutrient load and fisheries do, shows a new study. Seals feeding on fish does not ...

A new study by marine biologists reports that seals can essentially act as 'smart sensors' for monitoring fish populations in the ocean's eerily dim 'twilight zone.' Over the past 60 years, marine ...

Add Yahoo as a preferred source to see more of our stories on Google. PROVIDENCE – July Lewis of Save The Bay sees seals as an indicator of environmental health, so she was encouraged when her ...

A female elephant seal equipped with two data-logging tags. (Photo by Martín Ignacio Brogger) (CN) — Scientists have recorded a unique game of cat and mouse that exists between prey — squid and ...

The open ocean’s twilight zone, a vast deep ecosystem rich in fish biomass, is poorly understood because it is expensive and challenging for humans to reach its depths 200–1000 meters (660–3,280 feet) ...