For decades, scientists assumed that Otodus megalodon—the largest predatory fish in Earth’s history—fed almost ...

If zooplankton fail to reproduce, it disrupts the food chain, threatening fish populations and, in turn, seals and other large animals. "If we still have some sea ice, but it's melting more ...

The diagram shows how mercury can accumulate in the food chain. In the sea, tiny animals and plants called plankton absorb the mercury compounds. When the plankton are eaten by small fish ...

Other animals rarely bothered eating them, the idea went, so they represented a dead end in the ocean’s food web ... what volume of jellyfish other sea creatures are eating.

For the first time, chemical analyses confirmed that these deep-sea organisms are contaminated ... found on the seafloor and animals higher up on the food chain. “This DDT pollution happened ...

Even at relatively low concentrations, these metals can damage cells and disrupt reproduction and other biological processes in sea ... animals exposed to them, and then make their way up the food ...

"We have been unsure as to which animals would serve this purpose ... and this new research highlights the importance of sea cows within the food chain," explains lead-author Aldo Benites-Palomino ...

Scientists have found other evidence of animals eating one another in ... and this new research highlights the importance of sea cows within the food chain.” While evidence of predator-prey ...

ASC seeks stakeholder input on human rights and animal welfare in supply chain. The Aquaculture Stewardship Council has ...