Snail darter (Percina tanasi)

Scientific name: Percina tanasi Etnier, 1976

The Snail darter (Percina tanasi) is a freshwater fish of the family Percidae. Native range: North America, upper Tennessee River drainage of eastern Tennessee and northern Georgia in the USA.

Biology

Occurs in gravel and sand runs of medium-sized rivers; also found in creeks. Feeds on small pleurocerid river snails, mostly Leptoxis and Lithasia, as well as some physid snails and limpets; also consumes caddisfly larvae (Glossosoma, Hydropsyche, Brachycentrus), midge and blackfly larvae, and a few mayfly nymphs.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Percina tanasi
Family
Percidae (Perches)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.0
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
North America: upper Tennessee River drainage of eastern Tennessee and northern Georgia in the USA.
Conservation status (IUCN)
Vulnerable (VU) (D2)
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4; Fec=100-600)

Sources

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

Last updated