Arctic cod hide in a crack in the ice. As the Arctic warms, ice is melting earlier in the year and algae are blooming earlier. That may harm algae-eating zooplankton and the cod that feed on them.

Rapid sea ice loss and ocean acidification from climate change are altering the growth and nutritional value of microscopic algae. These algae are an essential food source for fish, krill ...

Algae that tinge snow red are to blame for about a sixth of the snowmelt at an Alaskan ice field Microbes are pushing glacial snow into the red. An alga species that grows on glaciers gives the ...

In looking at temperature, ice cover and algae populations ... They also noted that populations of Pacific cod have increased ...