The coralligenous is a habitat consisting of calcareous structures built mainly by red algae of the order of Corallinales and to a lesser extent by invertebrates. The coralligenous is one of the most important habitats in the Mediterranean for its extension and the high biodiversity it hosts. It is also the preferred environment for divers. In the MPA of Tavolara Capo Coda Cavallo imposing coralligenous formations can be found on all rocky bottoms below 30 m of depth. The coral habitat covers an area of 97.2 ha, or 0.6 % of the total marine surface of the MPA itself, estimated at 15,280 ha.  In the MPA the coralligenous shows very different animal-dominant facies: depending on the different geomorphotypes, the mineralogy of the substrate or the different local conditions, even regardless of depth. The cliff coralligenous develops on vertical and subvertical walls between 15 m and 40 m deep, sometimes as an enclave in infralittoral stands, often in projecting structures forming frames of considerable thickness. It is characterized by strong densities of Leptopsammia pruvoti, accompanied by Eunicella cavolinii more rarely Paramuricea clavata.