Do animals live aquifers

Yes, some animals do live in aquifers, particularly those that are filled with groundwater. Aquifers can host various microorganisms, insects, and small vertebrates that adapt to the subterranean environment. These organisms rely on the water and nutrients present in the aquifer, although such ecosystems are often less diverse than surface ecosystems. However, because aquifers are typically dark and isolated, many species exhibit unique adaptations to their underground habitats.