Is Grunion kosher?
Yes — Grunion is kosher under Jewish dietary law.
Grunion has fins and scales, which are the two requirements for kosher fish under Jewish dietary law (Leviticus 11:9-12).
Image: Photo by Shahan Derkarabetian · licensed CC BY-SA 4.0 · source
About Grunion
See: Silversides
Source: kosherfish.co/kosher-fish-list (snapshot 2025-12-19)