Genus Cyclops, a group of small freshwater copepods found in almost all aquatic habitats, has some synonyms that are used to refer to this creature. One of the most common is "water flea," which comes from their resemblance to fleas and their hopping movements. Other synonyms include "cyclopid," "copepod," and "copepod crustacean". These synonyms are all used to describe the small size and unique physical characteristics of this genus. Genus Cyclops plays a vital role in the aquatic ecosystem, as they are a crucial food source for fish and many other aquatic organisms. Their diversity and adaptability make them an important part of the aquatic food chain.