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n. pl. quillback or quill·backs
A North American freshwater fish (Carpiodes cyprinus) that has one ray of the dorsal fin extending conspicuously beyond the others.


(Animals) a freshwater fish of the sucker family native to North America, identified by its long, quill-like dorsal fin



n., pl. -backs, (esp. collectively) -back.
a sucker, Carpiodes cyprinus, of the central and eastern U.S., having one ray of the dorsal fin greatly elongated.
[1880–85, Amer.]
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Electrofishing surveys in the west and main branches of the Pearl River yielded 17 southeastern blue sucker, as well as 22 blacktail redhorse Moxostoma poecilurum, 37 quillback Carpiodes cyprinus, 47 highfin carpsucker C.
elongatus included: Paddlefish (Polyodon spathula), Spotted Gar (Lepisosteus oculatus), Longnose Gar (Lepisosteus osseus), Gizzard Shad (Dorosoma cepedianum), Threadfin Shad (Dorosoma petenense), Central Stoneroller (Campostoma anomalum), Blacktail Shiner (Cyprinella venusta), Whitetail Shiner (Cyprinella galacturus), River Carpsucker (Carpiodes carpio), Quillback (Carpiodes cyprinus), Common Carp (Cyprinus carpio), Smallmouth Buffalo (Ictiobus bubalus).
Twelve species were collected only in pools and included black bullhead, black crappie, blackstripe topminnow, brown bullhead, flathead catfish, gizzard shad, orange-spotted sunfish, pumpkinseed, quillback, red-ear sunfish, spotted sucker, and white sucker.
Age validation of quillback rockfish (Sebastes maliger) using bomb radiocarbon.
the quillback, inland silverside, Atlantic tomcod, warmouth, and hogchoker) and three families (Atherinopsidae, Gadidae, and Achiridae) than that listed by Niles et al.
Oregon Department of Fish and Wildlife A yelloweye rockfish (left) and a quillback rockfish swim off of Cape Perpetua in the summer of 2001.
individuals consuming Calculated each species Hg intake ([micro] g Hg/kg/day) King Coho Quillback Tulalip Tribes < 0.
Copper rockfish (Sebastes caurinus) and quillback rockfish (Sebastes maliger) habitat in the Strait of Georgia, British Columbia.
eiythrurum (Rafinesque)], spotted sucker [Minytrema melanops (Rafinesque)], quillback [Carpiodes cyprinus (Lesueur)], and silver redhorse [M.
promelas), Quillback (Carpiodes carpio), and Black Crappie (Pomoxis nigromaculatus).