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The Quillback

Quillback is a freshwater sucker distinguished by the long front portion of its dorsal fin. Quiet river and lake habitats support this bottom-feeding fish, while spawning can involve gravelly flowing water.

Range and Identity

Carpiodes cyprinus is a North American sucker. The extended dorsal fin helps orient identification, but related carpsuckers also need comparison. White fins and the absence of a lower-lip nipple are useful details in separating Quillback from similar regional fishes.

Habitat and Behavior

Adults occupy productive permanent waters, including quieter pools. Spawning can occur over gravel in flowing reaches. These settings show why a fish’s usual feeding habitat should not be treated as its only habitat throughout the year or during every life stage.

Food and Life History

Insect larvae, mollusks, algae and detritus are recorded foods. Upper references are sixty-six centimeters total length and 2.9 kilograms. Conflicting numbers in a separate regional description are not used to replace those compiled references, and the weight is not calculated from the reported length.

Field Note

Include the mouth and dorsal fin in an identification photograph when possible. The tall fin alone can be less decisive than a combination of fin and lip features.

All Lakes With Quillback

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

Showing 1–24 of 345 lakes · Page 1 of 15

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