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
Source: kosherfish.co/kosher-fish-list (snapshot 2025-12-19)