Most of a kokanee’s diet consists of plankton, which are small, aquatic organisms barely visible to the human eye. Plankton ...

Look at this stunning electric blue bioluminescent plankton caught on camera off the Welsh coast. Filmed by Andrew Rees at Dunraven Bay, Vale of Glamorgan, bioluminescence is light emitted by ...

Plankton are a collection of tiny organisms that live at and beneath the surface of lakes, rivers, ponds, and oceans across the planet. They’re named for the Greek word planktos, meaning to ...