Kosher Fish Basics
Is This Fish Kosher: Reading the Status and Filters
Last Updated: June 22, 2026The kosher status on each fish page is a plain-language read of one rule: a fish is kosher only if it has both true fins and scales. That rule comes from Leviticus 11:9. KosherFish applies it the same way for every species and cross-references widely accepted lists from the Orthodox Union and Chabad. Kosher A...
Fins and Scales: The Rule That Decides Everything
Last Updated: June 22, 2026A fish is kosher only if it has both true fins and true scales. That is the whole rule, and it comes straight from the Torah: “Whatsoever hath fins and scales in the waters… them shall ye eat” (Leviticus 11:9). What counts as a scale Not every scale qualifies. A kosher scale has to be...
Ask a Rabbi: This Is a Guide, Not a Ruling
Last Updated: June 22, 2026KosherFish is a guide, not a halachic ruling. It is built to give you a fast, well-sourced first answer and to point you in the right direction. It does not replace a rabbi. What the site is good for Use it to make a smart first call at the store, to learn the fins-and-scales rule,...