What is the kosher status of fats derived from kosher fish?

Fats derived from kosher fish are considered kosher. In Jewish dietary laws, also known as kashrut, fish are deemed kosher if they have fins and scales. Since kosher fish fall within these parameters, their fats also maintain this kosher status. This principle aligns with the broader understanding that the origin of the item, when derived from an accepted kosher source, retains its kosher designation in terms of consumption.

Other factors, such as the method of preparation or potential cross-contamination with non-kosher items, do not affect the intrinsic kosher status of the fats derived from fish that are recognized as kosher. Hence, the answer is classified as kosher overall, provided that proper kashrut practices are upheld during their handling and preparation.