The appearance of hydrophyte and miscellaneous fishes is the highest, accounting for 68%; the others account for 40%, 20%, 12%, and 4% respectively. The crab is an omnivorous animal.

• 食物种类的出现率以植物和小杂鱼为最高,占68%25,其余分别为40%25,20%25,12%25和4%25,为杂食性甲壳动物。