5.The Ophicephalus argus digestive tract consists of the buccal-pharynx cavity, the esophagus, the stomach, the foregut, the midgut, the hindgut and the pyloric caecum.

• 乌鳢的消化道由口咽腔、食道、胃、前肠、幽门盲囊、中肠、后肠几部分组成。