军曹鱼(Rachycentron canadum)又名海龙鱼,别名海鲡、竹五、海于草、海竺鱼,隶属鲈形目军曹鱼科军曹鱼属,广泛分布于大西洋、印度洋、太平洋西南部热带、亚热带海域,为咸水和咸淡水的较广盐性水域中的肉食性凶猛鱼类,以虾、蟹、头足类和鱼类等为食物。军曹鱼不耐低温,其生存水温16-36℃,适宜水温在24-31℃之间。适宜盐度8-35,为广盐性鱼类,作为食用鱼养殖,海水盐度以保持在10以上为宜。 Copepoda (Rachycentron canadum), also known as sea dragon fish, alias seaweed, bamboo five sea grass, sea gulls, attached to Percissima Coleus cobra genus, widely distributed in the Atlantic, Indian Ocean, tropical southwest Pacific Ocean, as The carnivorous fish in the saltier waters of brackish and brackish water are fed on shrimp, crabs, cephalopods and fish. Cobia not cold, its living water temperature 16-36 ℃, suitable water temperature between 24-31 ℃. Suitable for salinity 8-35, for the wide-salty fish, as food fish farming, salinity to maintain the sea above 10 is appropriate.