According to Roman Catholic dietary laws, when is fish required to be served?

In Roman Catholic dietary laws, fish is specifically required to be served on Ash Wednesday and all Fridays during Lent. This practice stems from the Church's tradition of abstaining from meat on these days, as a form of penance and reflection leading up to Easter. The emphasis on fish relates to the idea of fasting; while meat from land animals is typically prohibited, fish is considered an acceptable alternative.

The days observed for this practice highlight key moments in the liturgical calendar, particularly during Lent, which is a season of preparation for Easter. Ash Wednesday marks the beginning of Lent, and the Fridays during this period are designated for abstinence as well.

Thus, the requirement to serve fish aligns closely with these specific days, making this option the most accurate representation of Roman Catholic dietary laws.