A study by Dr. Martin Ebert and Dr. Martina Kölbl-Ebert examined the remains of some 4,200 Tharsis fossil specimens. They ...

Shellfish beds or reefs, formed by mussels and oysters, have declined worldwide. Sterre Witte, who conducted her Ph.D.

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' ...

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

As the founder of Sea Shepherd Conservation Society and the Captain Paul Watson Foundation, Watson has long stood at the ...

By Peter Corkeron In a world full of bad news, there’s been good news in whale conservation. Many of the great whales are coming back. In fact, some populations have been recovering faster than anyone ...

Antarctic krill is a key species in the Antarctic marine ecosystem as an important food source for many species, such as whales, seals and penguins. However, the small crustaceans are increasingly ...

Even after being digested by predators, Antarctic krill continue to nourish the ocean. Krill contain nutrients, including iron, that help feed phytoplankton — the base of the ocean’s ecological food ...

Krill are small, shrimp-like crustaceans that play a vital role in the Antarctic food web, serving as a key food source for penguins, seals, whales, seabirds, and fish. They are harvested for ...

With as many as 700 trillion adult krill in the waters surrounding Antarctica, this finding could have huge ramifications for scientists’ understanding of the region’s food web. Hellessey says ...

In addition, ingestion rates with and without guano were measured. Such inquiries are necessary to determine if predator risk cues modify krill activities in ways that have consequences for other ...

Krill anchor the marine food web by feeding dozens of major species, like humpback and blue whales, squids and other cephalopods, and penguins, and they school in such large numbers they can ...