Stygofauna
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Stygofauna, or stygobionts are any fauna that live in groundwater systems or aquifers, such as caves, fissures, and vugs. Stygofauna and troglofauna are the two types of subterranean fauna. Both are a
Astyanax jordani, a cavefish from Mexican caves
Orconectes australis, a cave crayfish
The Tumbling Creek cavesnail (Antrobia culveri) is a typical stygobite: small, white and blind.
Subterranean fauna
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Subterranean fauna refers to animal species that are adapted to live in an underground environment. Troglofauna and stygofauna are the two types of subterranean fauna. Both are associated with hypogea
Stygofauna
…Styx") are any fauna that live in groundwater systems or aquifers, such as caves, fissures, and vugs. Stygofauna and troglofauna are the two types of subterranean fauna (based on life-history). Both are associated with subterranean environments – stygofauna are associated with water, and troglofauna with caves and…
The olm (Proteus anguinus), a typical cave dwelling chordate, endemic of Dinaric Alps
The cave beetle Leptodirus hochenwartii (family Leiodidae)