Typhlichthys subterraneus [SEP] IUCN conservation status
fewer than 50 eggs per female. This provides restrictions on its capabilities for recovering from an even minor population decline. When young are produced, they brood in the female's gill chamber. Sexual maturity requires approximately two years, and the life span is approximately four years.
"Typhlichthys subterraneus" is listed as near threatened on the IUCN Red List. Due to environmental threats, there has been a recent decline in geographical span and population density. This is perhaps due to pollution, lowering of the water table, flooding
Typhlichthys subterraneus
Typhlichthys subterraneus, the southern cavefish, is a species of cavefish in the Amblyopsidae family endemic to karst regions of the eastern United States.
Taxonomy.
"T. subterraneus" is a member of Amblyopsidae and is one of five obligate troglobitic species in this family. "T. subterraneus" is currently the only member of the genus "Typhlichthys", but it may be a cryptic species complex.
The southern cavefish was described by Charles Frédéric Girard in 1859 from a well near Bowling Green, Warren County