1: February 's record cold temperatures are to blame for the shortage of fish ingredients , reported Erica Marcus , a food writer at Newsday , the Long Island , New York , newspaper . 2:  All three are freshwater fish from the Upper Midwest , and all three are in short supply this spring because the Great Lakes are still covered with ice .  3: Cold temperatures are to blame for limited supply of freshwater fish .
1: the shortage of fish ingredients 2: short supply 3: limited supply of freshwater fish