Of or relating to microorganisms living in the water column (Ecology of Atlantic Shorelines 1999).

Floating in the water column and unable to move more than short distances under its own power.

Used to describe aquatic organisms that float.

to do with plankton, tiny animal or plant life in salt and fresh water that provides food for fish and other water animals

Drifting unattached in water, the plankton include both plants and animals ranging from microscopic to those weighing several pounds or more (e.g. jellyfish).

an organism that spends part or all of its life cycle in the plankton. See meroplankton and holoplankton.

exhibiting movements characteristic of plankton

of or relating to plankton