omnivorous fish

基本解釋

It was an omnivorous grazer , sweeping up drifting fish , jellyfish and dead carrion as well as plants .
它是一種什么都吃的動物，清掃漂浮的魚，水母，腐肉和植物。
Fish can affect the water ecosystem by grazing and nutrient excretion, and omnivorous fish may feed in different habitats and thus can change coupling between habitats.
魚類活動可對水體生態(tài)系統(tǒng)產(chǎn)生重要影響，雜食性魚類由于可攝食生境中的不同食物，可使生境的耦合作用發(fā)生變化。
They are omnivorous and play a key part in the ecology of these rivers eating fish plants and insects but also acting as prey for dolphins, caiman and larger fish.
雜食性的水虎在這些河流的生態(tài)環(huán)境中扮演的非常關(guān)鍵的角色，它們在扮演昆蟲、魚的獵食者的同時也被河豚、鱷魚和其他大型魚類所獵食。
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