Northern cavefish

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Northern cavefish
Amblyopsis spelaea.jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Percopsiformes
Family: Amblyopsidae
Genus: Amblyopsis
Species: A. spelaea
Binomial name
Amblyopsis spelaea
DeKay, 1842

The northern cavefish or northern blindfish, Amblyopsis spelaea, is found in caves through Kentucky and southern Indiana. It is listed as a threatened species in the United States and the IUCN lists the species as near threatened.

During a 2013 study of Amblyopsis spelaea, scientists found that the species was divided into two distinct evolutionary lineages: one north of the Ohio River, in Indiana, and one south of the river, in Kentucky. The southern population retained the name A. spelaea and the northern was re-designated Amblyopsis hoosieri in a 2014 paper published in the journal ZooKeys.[2][3] Neither species is found north of the White River, flowing east to west south of Bedford, Indiana.


  1. ^ NatureServe (2013). "Amblyopsis spelaea". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 15 December 2014. 
  2. ^ Chakrabarty, Prosanta; Prejean, Jacques A.; Niemiller, Matthew L. (May 29, 2014). "The Hoosier cavefish, a new and endangered species (Amblyopsidae, Amblyopsis) from the caves of southern Indiana". ZooKeys. Pensoft (412): 41–57. doi:10.3897/zookeys.412.7245. Retrieved January 23, 2015. 
  3. ^ Howard, Brian Clark (May 30, 2014). "Blind Hoosier Cavefish: Freshwater Species of the Week". National Geographic. Retrieved January 23, 2015.