The present status and perspectives of the yellowtail fisheries in Japan

The yellowtail Seriola quiqueradiata is one of the most important fish for the coastal fishery and aquaculture in Japan. The fish are caught not only by means of trap-nets, purse seines, pole anglings, gill-nets, but also in mariculture. In this paper the general fishery biology and mariculture of yellowtail are described in detail. The perspective and some problem of mariculture of the fish are discussed including tuna culture in relation to heavy mortalities.