Northern cavefish

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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.

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

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 (2014). "Amblyopsis spelaea". IUCN Red List of Threatened Species. 2014: e.T1080A19034608. doi:10.2305/IUCN.UK.2014-3.RLTS.T1080A19034608.en.
  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. PMC 4042695. PMID 24899861. 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.