gcb12171-sup-0001-FigS1.tifimage/tif2226KFigure S1. Colony of Corallium rubrum in the experimental aquarium
gcb12171-sup-0002-FigS2.epsimage/eps2850KFigure S2. Experimental setup used to control and modify seawater pH in each aquarium. (a) and (b) large 150 l tanks for seawater conditioning at pHT 7.81 and 8.10 respectively; (c) glass electrodes for pH and PT 100 probes for temperature measurements; (d) pH controller and data logger; (e) solenoid valves; (f) soda lime filter; (g) 50 kg CO2 bottle; (h) and (i) control and low pH experimental aquaria respectively (three replicates per treatment); (j) Microbubble diffusers.
gcb12171-sup-0003-FigS3.epsimage/eps519KFigure S3. Examples of Scanning Electron Microscope (SEM) images of the three types of sclerites observed in C. rubrum.
gcb12171-sup-0004-FigS4.epsimage/eps707KFigure S4. Fatty acids composition. SAFA: total Saturated Fatty Acids; MUFA: Mono Unsaturated Fatty Acids; PUFA: Poly Unsaturated fatty acids.
gcb12171-sup-0005-TableS1.docxWord document68KTable S1. Parameters of the seawater carbonate system in each treatment.

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