- Since the 80’s H.S.R. works intensively to rescue, rehabilitate and protect marine endangered species included in the International Convention CITES, such as sea turtles, whales and the Mediterranean seal.
- S.R. carries out environmental educational activities about the endemic in Rhodes Island and protected freshwater fish Gizani (Ladigesocypris ghigii) by organizing presentations and educational field trips.
- S.R. organizes and hosts temporary exhibitions and pupil competitions concerning marine environment.