They also receive nutrients from symbiotic algae known as zooxanthellae which also give coral their bright glowing colours.

它们还从称为虫黄藻(zooxanthellae)的共生藻(symbiotic algae)中吸收营养素，虫黄藻还赋予珊瑚明亮发光的各种颜色。

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Both hard and soft corals have a symbiotic relationship with zooxanthellae algae, which live in coral and give it its color.

硬和软珊瑚两者有共生关系和虫黄藻藻类，那些生活在珊瑚和给它的颜色。

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