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Cavefish or cave fish is a generic term for fresh and brackish water fish adapted to life in caves and other underground habitats. Related terms are subterranean fish, troglomorphic fish, troglobitic fish, stygobitic fish, phreatic fish, and hypogean fish.
Amblyopsidae. The Amblyopsidae are a fish family commonly referred to as cavefish, blindfish, or swampfish. They are small freshwater fish found in the dark environments of caves (underground lakes, pools, rivers and streams), springs and swamps in the eastern half of the United States. Like other troglobites, most amblyopsids exhibit ...
The Mexican tetra (Astyanax mexicanus), also known as the blind cave fish, blind cave characin or the blind cave tetra, is a freshwater fish in the Characidae family (tetras and relatives) of the order Characiformes. [4][5] The type species of its genus, it is native to the Nearctic realm, originating in the lower Rio Grande, and the Neueces ...
The Devils Hole pupfish (Cyprinodon diabolis) is a critically endangered species of the family Cyprinodontidae (pupfishes) found only in Devils Hole, a water-filled cavern in the US state of Nevada. It was first described as a species in 1930 and is most closely related to C. nevadensis and the Death Valley pupfish (C. salinus).
The blind cave eel (Ophisternon candidum) is a species of cavefish in the family Synbranchidae.It is the longest cavefish in Australia (up to 40 cm (16 in)) [2] and one of the only three vertebrates in Australia that is restricted to underground waters, the other being the blind gudgeon (Milyeringa veritas) and the Barrow cave gudgeon (Milyeringa justitia). [3]
Alabama cavefish. The Alabama cavefish (Speoplatyrhinus poulsoni) is a critically endangered species of amblyopsid cavefish found only in underground pools in Key Cave, located in northwestern Alabama, United States in the Key Cave National Wildlife Refuge. [6] It was discovered underneath a colony of gray bats in 1967 by researchers Robert A ...
Cave salamanders are found in Europe and the U.S., but only some of these (such as the olm and Texas blind salamander) are entirely aquatic. The approximately 170 species of stygobite fish, popularly known as cavefish, are found in all continents, except Antarctica, but with major geographical differences in the species richness. [6] [7]
Amblyopsis. Amblyopsis is a genus of small (up to 11 cm or 4.3 in long) fish in the family Amblyopsidae that are endemic to the central and eastern United States. [1] Like other cavefish, they lack pigmentation and are blind. [2] The most recently described species was in 2014. [3] Uniquely among fish, Amblyopsis brood their eggs in the gill ...