[The feeding of sp. on two microalgae species].

In this study, we investigated whether sp. feed on two common microalgae, and , using the methods of carbon clearance rate, DNA marker, and histological analyses. The results showed that carbon clearance rate of by sp.

[Progress of heterotrophic studies on symbiotic corals].

Heterotrophy of zooxanthellae symbiotic corals refers to the nutrition directly coming from food absorption, not the nutrition obtained from photosynthesis. Most ex situ propagation of symbiotic corals focused on the effects of irradiation, flow rate and water quality on corals, few of them involved in the demand and supply of coral heterotrophic nutrition. This paper reviewed the significance of heterotrophic nutrient supply to symbiotic corals from the sources of coral heterotrophic nutrition, the factors affecting the supply of coral heterotrophic nutrient, and the methods of how to study the coral heterotrophy.