corals

1.Target feed corals (“Phyto feast™” from Reef Nutrition, frozen adult brine shrimp, frozen Cyclop-Eeze ® , live Artemia

喂养珊瑚（类营养需要喂养各类植物，冻虾，纤维水藻，卤虫）

2.Reef-building or hermatypic corals are only found in the photic zone (above 50 m depth), the depth to which sufficient sunlight penetrates the water for photosynthesis to occur.

大多数石珊瑚必须在大洋的透光层（水深不到50米）中长，这珊瑚内部共的单细胞的虫黄藻能够进行光合作用。

3.Recently, many polyhydroxylated sterols with different biological activities have been found in the soft corals，sponges，algae and star fish．Zeng L.

近年来，从软珊瑚，海绵，海藻和海星等中都发现不少有性的多羟基甾醇。