河鲀鱼是指硬骨鱼纲鲀形目鲀科的各属鱼类,以东方鲀属Fugu为典型代表。主要特征是体椭圆形或短圆形;头、背部宽圆;背鳍1个,与臀鳍同形,相对;无腹鳍;上下颌骨牙愈合成4个喙状牙板,中央缝显著;体光滑或有小刺。由于这些鱼类体形似豚(仔猪),常在河口捕获,故 River tuna fish refers to the bony fish ichthyofauna all species of fish, to the East Fugu is typical representatives. The main feature is the body oval or short circle; head and back wide circle; dorsal fin 1, and the anal fin isomorphic, relative; no pelvic fins; maxillary and mandibular teeth healed into 4 beaked tooth plate, the central seams significant; body smooth or Small spines. Because these fish are shaped like dolphins (piglets), they are often caught in estuaries