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Photo of a Northern Hog Sucker

Species profile

Northern Hog Sucker

Hypentelium nigricans

Bony fishIUCN: Least Concern3.1K iNat observations

At a glance

Northern Hog Sucker (Hypentelium nigricans) is an IUCN Least Concern bony-fish species regulated in 2 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

Confirmed by 2,938 research-grade iNaturalist observations, with Ohio, Tennessee, and North Carolina the top jurisdictions by observation count.

Notable details

  • It uses its large, fleshy lips to flip small rocks and vacuum invertebrates from the stream bottom.
  • Reaches about 18 inches in length in ideal conditions.
  • Found only in clear, fast-moving streams and rivers of eastern North America.
  • Its presence typically signals good water quality — it disappears from polluted streams.
  • Can live up to about 11 years in the wild.

Background

The northern hogsucker is a freshwater ray-finned fish belonging to the family Catostomidae, the suckers. It is native to the United States and Canada where it is found in streams and rivers. It prefers clear, fast-flowing water, where it can forage on the riverbed for crustaceans, mollusks, aquatic insects, algae and detritus.

Background excerpt adapted from Wikipedia's Northern Hog Sucker article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.