The corvina is similar in appearance to its relatives the weakfish and spotted seatrout. The royal tern usually feeds on small fish such as anchovies, weakfish, and croakers. Anglers were catching enormous numbers of weakfish every summer. Corson's Inlet provides excellent opportunities to catch blue fish, kingfish, striped bass and weakfish. It is itself eaten by the weakfish ("Cynoscion regalis"). In Argentina, the prey includes mostly demersal fishes, e.g. the striped weakfish ("Cynoscion guatucupa"). This fish is closely related to the weakfish, "Cynoscion regalis". The weakfish is the state fish of Delaware. The weakfish grows to in length and in weight. Northern pikeminnow ("Ptychocheilus oregonensis") and members of the weakfish family ("Cynoscion"). Spanish mackerel and weakfish bycatch in the South Atlantic was reduced by 40%. McMurray is stating how the weakfish stock went way below the biomass threshold in 2009. The weakfish are recreationally fished and provide tackle shops with business. Fortescue was the self-proclaimed "weakfish capital of the world". The weakfish, "Cynoscion regalis", is a marine fish of the drum family Sciaenidae.