The state's oceanfront saltwater inlets and freshwater rivers and lakes provide ample fishing opportunities. Major commercial fishing is restricted to saltwater species of fish and shellfish, mainly shrimp, crabs, clams, and oysters. In 1998, the commercial catch totaled 17.3 million lb (7.8 million kg), valued at $28,292,000. The state issued 511,811 sport fishing licenses at that time.