Blackfin sucker

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Blackfin sucker
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Catostomidae
Genus: Thoburnia
Species: T. atripinnis
Binomial name
Thoburnia atripinnis
(R. M. Bailey, 1959)

The blackfin sucker (Thoburnia atripinnis) is a species of ray-finned fish in the Catostomidae family. It is found only in the United States in the headwaters of the Barren River system in south central Kentucky.