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 chambers (somewhat like mouthbrooders).[4] It was formerly incorrectly speculated that the same brooding behavior existed in other genera in the family and in the pirate perch (Aphredoderus sayanus).[4][5]

Amblyopsis
Ozark cavefish A. rosae
Northern cavefish A. spelaea
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Percopsiformes
Family: Amblyopsidae
Genus: Amblyopsis
DeKay, 1842
Type species
Amblyopsis spelaeus
DeKay, 1842

Species

There are currently 3 species of this genus:[1]

  • Amblyopsis hoosieri Niemiller, Prejean & Chakrabarty, 2014 (Hoosier cavefish)[3]
  • Amblyopsis rosae C. H. Eigenmann, 1898 (Ozark cavefish)
  • Amblyopsis spelaea DeKay, 1842 (northern cavefish)
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References
  1. Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Amblyopsis in FishBase. May 2017 version.
  2. Darwin, Charles (1979). The Origin of Species (1st ed.). New York: Avenel Books. p. 179. ISBN 0-517-30978-5.
  3. Chakrabarty, P.; Prejean, J.A.; Niemiller, M.L. (2014). "The Hoosier cavefish, a new and endangered species (Amblyopsidae, Amblyopsis) from the caves of southern Indiana". ZooKeys. 412: 41–57. doi:10.3897/zookeys.412.7245. PMC 4042695. PMID 24899861.
  4. Armbruster, J.W.; M.L. Niemiller & P.B. Hart (2016). "Morphological Evolution of the Cave-, Spring-, and Swampfishes of the Amblyopsidae (Percopsiformes)". Copeia. 104 (3): 763–777. doi:10.1643/ci-15-339.
  5. Fletcher, D.E.; Dakin, E.E.; Porter, B.A.; Avise, J.C. (2004). "Spawning behavior and genetic parentage in the pirate perch (Aphredoderus sayanus), a fish with an enigmatic reproductive morphology". Copeia. 2004 (1): 1–10. doi:10.1643/ce-03-160r.

Bibliography

Darwin, Charles (1979). The Origin of Species. John Murray. ISBN 0-517-30978-5.


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