Red copepod

Themisto libellula is a large predatory amphipod that lives in cold northern waters.

Gonatus fabricii is a squid of cold North Atlantic and Arctic waters that occupies an important midwater predatory role.

Clupea harengus, the Atlantic herring, is a schooling pelagic fish that feeds on zooplankton in surface and near-surface waters.

Gephyrocapsa huxleyi is a microscopic coccolithophore, a single-celled planktonic alga covered in tiny plates of calcium carbonate.

Meganyctiphanes norvegica is a large North Atlantic krill species that often forms dense swarms and migrates up and down the water column each day.

Apolemia uvaria is a colonial siphonophore made of many specialized zooids that function together as one drifting predator.

The Norwegian Current carries Atlantic water north along the Norwegian coast toward the Barents Sea and Arctic gateway. Spring blooms of diatoms and coccolithophores feed copepods, krill, fish, seabirds, seals, and whales. Because it links the North Atlantic to polar seas, it is a strong example of how circulation shapes subpolar food webs and ocean climate.