A camera catches a huge Greenland shark in eastern Baffin Bay, near Disko Bay, Greenland.
The eastern Arctic and sub-Arctic marine areas of Canada are changing rapidly under climate change.
outdoorsman / shutterstock
Algae at the bottom of the Arctic food chain relies on sea ice.
Copepod with eggs (blue). Copepods are typically just a few millimeters long, but are important food sources for small fish.
DNA sequencing is making it possible for scientists to identify thousands of species of zooplankton – drifting animals that are key links in ocean food webs.
Sustained ocean warming could greatly reduce catches of fish like these herring photographed off Norway.
Fish are a key food source for millions of people worldwide. But a recent study finds long-term warming over the next 200 years could starve tiny plankton, with impacts that would ripple up food chains.
Young African penguins are following the usual cues to feeding grounds only to find that the sources of food in these places is no longer available. This is devastating for their numbers.
Watch out, there’s a mixotroph about.
They 'engulf living prey, suck out their innards, poison them, harpoon them, make them explode, and steal and reuse body parts'. And we ignore them at our peril.
Inspiring aliens since 1979, Phromina means business.
Meet a parasite that can create its own mobile nursery for its young, a parasite that is thought to be the inspiration behind the chest-bursting xenomorph in the film Alien. Meet Phronima, the pram-pushing…
The tiny colonial sea creatures, Rhabdopleurids, have stayed relatively unchanged for over 500m years and outlived some of…