Details of algal communities of Gallinara Island A littoral rockpool on the SE shore colonized by a dense community of fucalean algae B a shallow infralittoral bottom at Punta Sciusciaù with a large population of Acetabularia acetabulum C a community dominated by dictyotalean brown algae (Punta Falconara, 10 m) D two large specimens of Lithophyllum stictiforme (Punta Sciusciaù, ~35 m) E a turf formed mostly by Womersleyella setacea (Punta Falconara, 30 m) F detail of some erect axes of Caulerpa cylindracea (Punta Sciusciaù, 10 m).