Bottarga is made chiefly from the roe pouch of grey mullet. In Turkey, bottarga is made from grey mullet roe. Fish include smelt, salmon, eel, grey mullet and plaice/flounder. It produces 1,200 tons of sea bass, bream, grey mullet, and shrimp each year. Those from the Taedong River, where flathead grey mullet are abundant, were especially renowned. The taste of flathead grey mullet is slightly different from season to season. Grey mullet are found in the lagoon. The thicklip grey mullet lays its eggs in winter. Another fish that was available was "bouri" (grey mullet. It is commonly found parasitizing the Flathead grey mullet ("Mugil cephalus"). Fish found in the delta include the flathead grey mullet and soles. The thicklip grey mullet, "Chelon labrosus", is a coastal fish of the family Mugilidae.