Mating and spawning are distinct events in blue crab reproduction. The bay is a popular fishing destination, specializing in shrimp and blue crab production. Fishing is limited to designated sport fish, spiny lobster, stone crab, blue crab and shrimp. Commercial fishermen specialize in oyster, blue crab, and shrimp. The community is host to an annual Blue Crab Festival each May. Louisiana now has the world's largest blue crab fishery. In 2002, Louisiana harvested 22% of the nation's blue crab. Signs of an oil-and-dispersant mix were found under the shells of tiny blue crab larvae. It was the first and remains the only certified sustainable blue crab fishery worldwide. Blue crab populations naturally fluctuate with annual changes in environmental conditions. BRDs effectively reduce bycatch (and subsequently mortality) of small terrapins without affecting blue crab catch. In 2013, an estimated 3.9 million pounds of blue crab were harvested recreationally. The blue crab may grow to a carapace width of . Early on, the blue crab fishery of the Atlantic states was well documented. In addition, shellfish populations including blue crab, shrimp, oysters, and clams are healthy.