What is another word for stygofauna?
Pronunciation: [stˈa͡ɪɡəfˌɔːnə] (IPA) 
Stygofauna refers to the creatures that dwell in subterranean water systems such as caves, wells and underground streams. Synonyms for the word include cave fauna, troglobites, hypogean fauna, groundwater fauna and subterranean fauna. These creatures have evolved to live in complete darkness, with many lacking eyesight or pigmentation due to the absence of light. Stygofauna play a crucial role in maintaining the delicate balance of underground ecosystems and are often used as indicators of water quality. Some common examples of stygofauna include various species of fish, crustaceans, and insects. As more underground water systems are explored and studied, it is likely that new species of stygofauna will be discovered.
