Southern cavefish (Typhlichthys subterraneus)

Scientific name: Typhlichthys subterraneus Girard, 1859

Southern cavefish (Typhlichthys subterraneus)

The Southern cavefish (Typhlichthys subterraneus) is a freshwater fish of the family Amblyopsidae. Native range: North America, portions of Alabama, Georgia, Tennessee, Kentucky, Indiana, Missouri and Arkansas, U.S.A.

Biology

Dorsal soft rays (total): 7-10; Anal soft rays: 7 - 10; Vertebrae: 28 - 29. Pink-white. No eyes (vestigial eye tissues under skin). Large, broad head. Caudal fin with 0-2 rows of papillae and a vertical basal row; 10-15 branched caudal rays.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Typhlichthys subterraneus
Family
Amblyopsidae (Cavefishes)
Order
Percopsiformes (Trout-perches, Pirate perches and Cavefish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.0
Common length
5.0
Environment
Freshwater; demersal
Climate
Temperate
Distribution
North America: portions of Alabama, Georgia, Tennessee, Kentucky, Indiana, Missouri and Arkansas, U.S.A.
Conservation status (IUCN)
Vulnerable (VU) (D2)
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.43; tm=2; tmax=4)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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