Zooplankters

Part of speech: noun

Definitions

1. Small aquatic organisms that drift in water currents, forming a critical component of the aquatic food web as they serve as food for larger animals
2. Microscopic or small animals that inhabit water bodies, playing a vital role in nutrient cycling and energy transfer in ecosystems
3. Tiny living creatures residing in oceans, lakes, and rivers, integral for supporting various marine and freshwater species as a primary food source

Etymology: "Zooplankters" is the plural of "zooplankter," so it names the small drifting animals themselves rather than the water they drift in. The word is built from "zoo-," the combining form meaning animal, joined to "plankter," the noun that goes with "plankton," the collective name for the organisms that float or drift with currents. Together the two parts describe the animal members of that drifting community. The "plankter" element is what makes the compound work. Plankton, a term from the German "Plankton," refers to the whole drifting community, and "plankter" names an individual member of it. Adding "zoo-" narrows the sense to animals, setting these creatures apart from the plant-based drifters, the phytoplankton.