St Helena has excellent and well preserved coral ecosystems, which are very diverse and contain many endemic and non-endemic fish species.  There are many tours which a visitor can take to explore the marine life around St Helena Island.



There 10 fish which can only be found Saint Helena:

St Helena offers a unique opportunity to view cetaceans using small boats. Pan-tropical spotted dolphins (Stenella attenuata) are the most numerous species followed by bottlenose dolphins (Tursiops truncatus) and rough-toothed dolphins (Steno bredanensis).

Humpback whales (Megaptera novaeangliae) have been sighted but interviews with local fishermen suggest that this species regularly occurs in the waters around St Helena in small numbers during the austral winter.