Information about Cavefish
| Cavefishes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
) Northern cavefish, Amblyopsis spelaea Northern cavefish, Amblyopsis spelaea | ||||||||||
| Scientific classification | ||||||||||
| ||||||||||
| Genera | ||||||||||
|
Amblyopsis Chologaster Forbesichthys Speoplatyrhinus Typhlichthys See text for species. | ||||||||||
The cavefishes (commonly: blindfishes, swampfishes) are a family (Amblyopsidae) of fish found in caves and adapted to life in the dark, notably lacking eyes and pigmentation, as a result having a pale or whitish color. They are all found in the southern and eastern United States. Some can be found elsewhere as well. There are about 80 known varieties of cavefish.
Cavefishes are generally small, ranging up to 11 cm in length. Most do not have pelvic fins, although Amblyopsis spelaea has small ones with up to six rays. Only three species of cave fish lack eyes completely, but several others have useless eyes. The majority of cave fish have little to no pigment in their skin. These features are an example of regressive evolution.
Cavefishes can only be found in caves that have streams running into them; a cave with no inlets (such as Blanchard Springs Caverns in Arkansas) will not contain cavefishes. They are believed to have been evolved from their aboveground counterparts.
Species
The family includes six species in five genera:- Genus ''Amblyopsis
- Genus Typhlichthys
- Southern cavefish, Typhlichthys subterraneus Girard, 1859.
- Genus Chologaster
- Genus Forbesichthys
- Genus Speoplatyrhinus
External links
- "Amblyopsidae". FishBase. Ed. Ranier Froese and Daniel Pauly. January 2006 version. N.p.: FishBase, 2006.
A. spelea
Binomial name
Amblyopsis spelea
(DeKay, 1842)
The northern cavefish or northern blindfish, Amblyopsis spelea, is found in caves through Kentucky and southern Indiana.
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Binomial name
Amblyopsis spelea
(DeKay, 1842)
The northern cavefish or northern blindfish, Amblyopsis spelea, is found in caves through Kentucky and southern Indiana.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Actinopterygii
Klein, 1885
Subclasses
Chondrostei
Neopterygii
See text for orders.
The Actinopterygii (the plural form of Actinopterygius) comprise the class of the ray-finned fishes.
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Klein, 1885
Subclasses
Chondrostei
Neopterygii
See text for orders.
The Actinopterygii (the plural form of Actinopterygius) comprise the class of the ray-finned fishes.
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Percopsiformes
Families
See text.
Percopsiformes is a small order of ray-finned fish, comprising the trout-perch and its allies.
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Families
See text.
Percopsiformes is a small order of ray-finned fish, comprising the trout-perch and its allies.
Families
- Percopsidae (trout-perches)
- Aphredoderidae (pirate perches)
- Amblyopsidae (cavefishes)
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genus (plural: genera) is part of the Latinized name for an organism. It is a name which reflects the classification of the organism by grouping it with other closely similar organisms.
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F. agassizi
Binomial name
Forbesichthys agassizi
Putnam, 1872
The Spring cavefish, Forbesichthys agassizi, is a small subterranean freshwater fish native to the United States.
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Binomial name
Forbesichthys agassizi
Putnam, 1872
The Spring cavefish, Forbesichthys agassizi, is a small subterranean freshwater fish native to the United States.
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Speoplatyrhinus
Species: S. poulsoni
Binomial name
Speoplatyrhinus poulsoni
Cooper & Kuehne, 1974
The Alabama cavefish,
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Species: S. poulsoni
Binomial name
Speoplatyrhinus poulsoni
Cooper & Kuehne, 1974
The Alabama cavefish,
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Typhlichthys
Typhlichthys is a genus of fish in the Amblyopsidae family. It contains the following species:
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Typhlichthys is a genus of fish in the Amblyopsidae family. It contains the following species:
- Typhlichthys subterraneus
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family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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cave is a natural underground void large enough for a human to enter. Some people suggest that the term 'cave' should only apply to cavities that have some part which does not receive daylight; however, in popular usage, the term includes smaller spaces like sea caves, rock
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Eyes are organs of vision that detect light. Different kinds of light-sensitive organs are found in a variety of organisms. The simplest eyes do nothing but detect whether the surroundings are light or dark, while more complex eyes can distinguish shapes and colors.
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Motto
"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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Blanchard Springs Caverns is a cave system located in the Ozark National Forest in northern Arkansas. Blanchard Springs Caverns is a three-level cave system, two of which are open for guided tours. The Dripstone Trail runs through an underground fantasy in the upper level of the caverns.
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State of Arkansas
Flag of Arkansas Seal
Nickname(s): The Natural State (current),
The Land of Opportunity (former)
Motto(s): Regnat Populus (The People Rule)
Official language(s) English
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Flag of Arkansas Seal
Nickname(s): The Natural State (current),
The Land of Opportunity (former)
Motto(s): Regnat Populus (The People Rule)
Official language(s) English
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Typhlichthys
Typhlichthys is a genus of fish in the Amblyopsidae family. It contains the following species:
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Typhlichthys is a genus of fish in the Amblyopsidae family. It contains the following species:
- Typhlichthys subterraneus
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T. subterraneus
Binomial name
Typhlichthys subterraneus
Girard, 1859
Typhlichthys subterraneus is a species of fish in the Amblyopsidae family. It is endemic to the United States.
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Binomial name
Typhlichthys subterraneus
Girard, 1859
Typhlichthys subterraneus is a species of fish in the Amblyopsidae family. It is endemic to the United States.
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Charles Frédéric Girard (March 8, 1822 - January 29, 1895) was a French biologist specializing on ichthyology and herpetology.
Born in Mulhouse, France, he studied at the College of Neuchâtel, Switzerland as a student of Louis Agassiz.
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Born in Mulhouse, France, he studied at the College of Neuchâtel, Switzerland as a student of Louis Agassiz.
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F. agassizi
Binomial name
Forbesichthys agassizi
Putnam, 1872
The Spring cavefish, Forbesichthys agassizi, is a small subterranean freshwater fish native to the United States.
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Binomial name
Forbesichthys agassizi
Putnam, 1872
The Spring cavefish, Forbesichthys agassizi, is a small subterranean freshwater fish native to the United States.
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Speoplatyrhinus
Species: S. poulsoni
Binomial name
Speoplatyrhinus poulsoni
Cooper & Kuehne, 1974
The Alabama cavefish,
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Species: S. poulsoni
Binomial name
Speoplatyrhinus poulsoni
Cooper & Kuehne, 1974
The Alabama cavefish,
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FishBase is a comprehensive database of information about fish. As of October 2006, it included descriptions of over 29,400 species, over 222,300 common names in hundreds of languages, over 42,600 pictures, and references to more than 38,600 works in the scientific literature.
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