Jacksmelt is kosher according to Jewish dietary law. It has the fins and scales required by kashrut.

Is Jacksmelt kosher?

Yes — Jacksmelt is kosher under Jewish dietary law.

Jacksmelt has fins and scales, which are the two requirements for kosher fish under Jewish dietary law (Leviticus 11:9-12).

Image: Photo by Bretwood Higman, Ground Truth Trekking. · licensed CC BY 3.0 · source

About Jacksmelt

See: Silversides

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