Their research objects involves oysters , salmon , and rockfish in different ecosystems .
其研究对象包括牡蛎、鲑鱼、?及不同生态系统中的岩鱼。
Many species are therefore renamed for the retail trade : bocaccio , a kind of rockfish , becomes pacific red snapper , patagonian toothfish becomes chilean , or australian , sea bass , and dogfish becomes rock salmon .
Dragged alongside the unmanned submersible searover , liquid tuna and chum attracted this rosy rockfish , swimming by a basket sea star in the waters of monterey bay , california .
