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The Pugnose Minnow

Pugnose Minnow is a small fish of vegetated, often slow waters. Despite the open-water image suggested by the word minnow, its reproduction includes the use of sheltered cavities beneath flat rocks.

Range and Identity

Opsopoeodus emiliae occurs in eastern North American waters including Great Lakes, Mississippi and Gulf-draining regions in broad accounts. Historical subspecies treatments can affect the coverage of older records. The original locality and scientific determination help keep those records connected to the appropriate population.

Habitat and Behavior

Fish use vegetated lakes, swamps, oxbows and other slow-water settings. Both clear and turbid waters appear in habitat descriptions. The recurring feature is not one universal clarity level, and the immediate vegetation and water movement are useful additions to an observation.

Food and Life History

Small crustaceans, algae and insects are recorded foods. Spawning can take place in a cavity beneath a flat rock, rather than involving only exposed eggs scattered through open water. The upper length reference is 6.6 centimeters total length, with no maximum weight inferred.

Field Note

Include sheltered bottom structure as well as vegetation in a habitat record. A flat rock can have reproductive significance that a surface-only description would miss.

All Lakes With Pugnose Minnow

Browse lakes and reservoirs with documented Pugnose Minnow records, listed alphabetically. Records do not establish current abundance or public access. Check the evidence and managing authority for the water you choose.

Showing 1–18 of 18 lakes · Page 1 of 1

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