俗话说:牡丹虽好,还需绿叶扶衬。养鱼也一样,如果鱼缸中有鱼而无草,总让人感到有些单调,翠绿的水草不但将鱼的颜色衬托得更加鲜艳,还会使整个鱼缸更显得生机盎然。不过,种水草最主要的目的还是给水增氧。水草在光照下进行光合作用,吸收鱼所呼出的二氧化碳,放出氧气,使水中的氧不断得到补充。另外,水草还能吸收分解观赏鱼尿粪中的氮元素,净化水体。鱼缸里种植疏密相当的水草,还能对过强的光线起到遮挡和调节的作用。水草的种类很多,其中较常见的有金鱼草、 As the saying goes: Although the peony is good, but also the green leaves lining. Fish are also the same. If there is fish in the aquarium but no grass, people always feel a little monotonous. The green aquatic plants not only bring out the colors of the fish more vividly, but also make the whole aquarium more vitality. However, the main purpose of planting water is to add water to the water. Aquatic photosynthesis in the light to absorb the carbon dioxide exhaled by the fish, emit oxygen, the oxygen in the water continue to be replenished. In addition, plants can absorb decomposition of ornamental fish urinary excrement of nitrogen, water purification. Aquaculture planting sparse water plants, but also on the strong light to block and adjust the role. Many species of aquatic plants, of which the more common are snapdragons,