quillback

(kwil′bak′)

☆

a North American freshwater fish (Carpiodes cyprinus) of the sucker family, with the front margin of the dorsal fin quill-like and elongate

See quillback in American Heritage Dictionary 4

noun pl. quillback quillback or quill·backs

A North American freshwater fish (Carpiodes cyprinus) that has one ray of the dorsal fin extending conspicuously beyond the others.

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