Cladocora caespitosa reaches 2 m colony diameter. Largest reef-building hard coral (Scleractinia) in Mediterranean, one of the only true builders of the zone (with Astroides). Massive cushion or mushroom-shaped colonies yellow-green to brown-orange with small tight coralligenous. Lives from 3 to 50 m on hard substrates of Mediterranean. Listed EN by IUCN following 2003, 2018, 2022 summer heat waves causing massive bleaching and mortality. Witness species of Mediterranean climate change. Iconic but threatened wide-angle photo subject.

