(1) Aquaculture and Fisheries Group, Department of Animal Sciences, Wageningen University, Wageningen University and Research centre, Wageningen, The Netherlands
(2) Coral Publications, Utrecht, The Netherlands
(3)Marine Animal Ecology Group, Department of Animal Sciences, Wageningen University, Wageningen University and Research centre, Wageningen, The Netherlands

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Abstract

A long-standing debate amongst scientists and aquarists is whether corals can thrive on the photosynthetic excretions from their zooxanthellae, without any external organic food source.…