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A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves.These are separate from species that mainly live in above-ground habitats but are also able to live underground (eutroglophiles), and species that are only cave visitors (subtroglophiles and trogloxenes). [1]
Caves that are close to the surface, such as lava tubes, often have tree roots hanging from the cave roof, which provide nutrients for sap-feeding insects. [1] [2] Other important food sources in underground habitats are animals being decomposed and bat guano, [3] [4] [5] that creates large invertebrate communities in such caves. [6] [7]
The microscopic cave snail Zospeum tholussum, found at depths of 743 to 1,392 m (2,438 to 4,567 ft) in the Lukina Jama–Trojama cave system of Croatia, is completely blind with a translucent shell Troglofauna are small cave -dwelling animals that have adapted to their dark surroundings.
Both are associated with subterranean environments – stygofauna are associated with water, and troglofauna with caves and spaces above the water table. Stygofauna can live within freshwater aquifers and within the pore spaces of limestone, calcrete or laterite, whilst larger animals can be found in cave waters and wells. Stygofaunal animals ...
A cave cricket (Rhaphidophoridae) in a cave in Thailand eating guano. The climate in deep caves typically is without distinction of day and night, But insects have a sleeping pattern and not many are affected even by the passage of the seasons. Violent winds and storms are unknown, though there may be steady air currents under some circumstances.
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Wild caves are caves that have few or no provisions which make it easy for the general public to visit. Visiting such caves, if even possible, should not be attempted without extensive preparation. There are often many dangers in wild caves and knowledge, experience and special caving gear are required to mitigate those dangers.
Modern entrance to the Lascaux cave. On 12 September 1940, the entrance to the Lascaux Cave was discovered on the La Rochefoucauld-Montbel lands by 18-year-old Marcel Ravidat when his dog, Robot, investigated a hole left by an uprooted tree (Ravidat would embellish the story in later retellings, saying Robot had fallen into the cave.) [8] [9] Ravidat returned to the scene with three friends ...