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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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Table 2 Regressions of length- and weight-specific fecundity (dependent variables) and maternal factors (independent variables; age, length, weight) for gravid quillback rock fish (Sebastes maliger).
Furthermore, species that were associated with both 80 and 160 m included large spiny dogfish, and quillback rockfish (Sebastes maliger), brown rockfish (Sebastes auriculatus), blackbelly eelpout (Lycodes pacificus), Pacific tomcod (Microgadus proximus), walleye pollock (Theragra chalcogramma), shiner perch (Cymatogaster aggregate), pile perch (Rhacochilus vacca), black tip poacher (Xeneretmus latifrons), slender sole (Lyopsetta exilis), and plainfin midshipman (Porichthys notatus; Fig.
Six species were newly recorded from the watershed including: quillback (Carpiodes cyprinus), spotted sucker (Minytrema melanops), brown bullhead (Ameiurus nebulosus), blackstripe topminnow (Fundulus notatus), least darter (Etheostoma microperca), and logperch (Percina caprodes) (Table 2).
Abstract--We investigated developmental changes in the body compositions and fatty acid (FA) profiles of embryos and preparturition larvae of the quillback rockfish (Sebastes maliger).
2006), quillback rockfish (Sebastes malinger) (Kerr et al.
We rarely collected the river carpsucker (Carpiodes carpio, 5), quillback (C.
14]C signal retained in fish otoliths was used to validate the age and age estimation method of the quillback rockfish (Sebastes maliger) in the waters of southeast Alaska.
For example in pile perch (Rhacochilus vacca), striped seaperch (Embiotoca lateralis), and quillback rockfish (Sebastes maliger), the smallest juveniles preyed on open-habitat plankton and benthic fauna, and medium-size and larger fish (>121 mm) of all three species shifted their diets to include reef-associated prey (Hueckel and Stayton, 1982).
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Effects of maternal age and size on embryonic energy reserves, developmental timing, and fecundity in quillback rockfish (Sebastes malliger).
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.