Is Quillback kosher?
Yes — Quillback is kosher under Jewish dietary law.
Quillback has fins and scales, which are the two requirements for kosher fish under Jewish dietary law (Leviticus 11:9-12).
Image: Photo by LouisianaLefty · licensed CC BY-SA 4.0 · source
About Quillback
See: Suckers The quillback (Carpiodes cyprinus), also known as the quillback sucker or quillback carpsucker, is a type of freshwater fish of the sucker family widely distributed throughout North America. It is deeper-bodied than most suckers, leading to a fuller-bodied appearance. However, the quillback is not a carp. Quillback are catostomids, and like all catostomids, they do not have barbels around the mouth. The quillback is long-lived, with age up to 30 years found in Florida, and lifespans of 44 - 52 years in Canada, Minnesota, Colorado, and Wisconsin. The quillback (Carpiodes cyprinus), also known as the quillback sucker or quillback carpsucker, is a type of freshwater fish of the sucker family widely distributed throughout North America. It is deeper-bodied than most suckers, leading to a fuller-bodied appearance. However, the quillback is not a carp. Quillback are catostomids, and like all catostomids, they do not have barbels around the mouth. The quillback is long-lived, with age up to 30 years found in Florida, and lifespans of 44 - 52 years in Canada, Minnesota, Colorado, and Wisconsin. Physical description The quillback is a medium-sized, deep-bodied fish found throughout North America. It has a small head, humped back and deeply forked caudal fin. The compressed body of the quillback makes it look flattened when viewed from the side. The quillback has a subterminal mouth with no barbels, and no nipple-like protrusions on the bottom lip. It has large, reflective, silver cycloid scales that are responsible for giving the quillback its characteristic silver color. They have a white belly with yellow or orange lower fins. The tail and dorsal fin are usually gray or silver. The quillback gets its name from the long quill...
Source: kosherfish.co/kosher-fish-list (snapshot 2025-12-19); Wikipedia (CC BY-SA 3.0); Wikipedia (CC BY-SA 3.0)