In situ photosynthetic fluorescence of the zooxanthellate Mediterranean coral Cladocora caespitosa (L. ) was measured seasonally on colonies from 5 to 27 m depth using an INF-300 Integrating Natural Fluorometer (Biospherical Instrument Inc. ). https://www.parisnaturalfoodes.shop/product-category/super-8-plus-probiotic/