This year several chains, including McDonald's, Carl’s Jr. and Wendy's, are finding new ways to market fish items typically promoted during Lent, which began on Feb. 13. Darren Tristano, executive vice president of Chicago-based Technomic Inc., said most restaurant chains should consider at a bare minimum having some kind of fish or non-meat option for people observing Lent, at least to prevent the loss of traffic.