Tap Kosher Market sources fish from several freshwater lakes, including Lake Huron, Lake Erie, and Lake Winnipeg. They carry a variety of fish, including salmon, tuna, marlin, cod, halibut, turbot, sea bass, snapper, flounder, and tilapia. The fish are caught fresh and are not treated with preservatives. Tap ensures quality and freshness by shipping the fish in insulated foam boxes to keep it well iced, and aims to turn inventory within 2 days of receiving it.