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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.
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]
Since the cave environment is dark, no plant life is performing photosynthesis, and food is mainly introduced from the outside world by other organisms. Limited food leads to low population density, which has been estimated for Amblyopsidae to be only about 0.005 to 0.150 animals per square meter.
The Mexican blind brotula and other cave-dwelling brotulas are among the few species that live in anchialine habitats. Although many cavefish species are restricted to underground lakes, pools or rivers in actual caves, some are found in aquifers and may only be detected by humans when artificial wells are dug into this layer.
The article represents the first formal description of a cave animal (the olm, described in 1768, wasn't recognized as a cave animal at the time). Subsequent research by Schmidt revealed further previously unknown cave inhabitants, which aroused considerable interest among natural historians.
as many cave animals are blind, see also list of troglobites. ... Pages in category "Blind animals" The following 18 pages are in this category, out of 18 total.
The northern cavefish or northern blindfish (Amblyopsis spelaea) is found in caves through Kentucky and southern Indiana. The International Union for Conservation of Nature lists the species as near threatened. [2] The life cycle of northern cavefish includes a protolarval stage.
Anophthalmus hitleri (Slovene: Hitlerjev brezokec) is a species of blind cave beetle found only in about fifteen humid caves in Slovenia. The blind cave beetle shares its genus with 41 other species and 95 different subspecies. [2] Members of its subfamily are, like most Carabidae, predatory, so the adults and larvae of A. hitleri are presumed ...