Which fish is not kosher?
Some examples of non-kosher fish are catfish, crabs, eels, monk fish, puffers, shark, shellfish, sturgeon, and swordfish.
Is tilapia kosher?
However, halachically, it does not matter how similar a non-kosher fish is to a kosher fish – if it does not have scales, it is not kosher. The same goes for the appearance of the flesh – even though a filleted catfish looks identical to sole and tilapia, since it does not have scales, it is not kosher.
Is yellowtail fish kosher?
From Charm City Kosher. Yellowtail Flounder is caught in New England throughout the year. This is a great fish that is underutilized and underappreciated. Yellowtail Flounder is great broiled with herb butter on top.