It's no wonder seafood companies get abuzz over Lent, beginning preparations a year before and attending countless meetings: Lent -- celebrated by many of the 69.5 million registered Catholics in the United States -- not only sells seafood, it sells it in mouth-dropping droves.

At Long John Silver's, a leading fast-casual seafood chain in the United States, sells a whopping 22 million pieces of fish during the Lenten season, the company's vice-president of marketing and promotions Marilyn Nicholson told Seafood International.