Canary Islands, Canary Islands in pre-colonial times, Canarian people, Tenerife, Gran Canaria, Lanzarote, La Palma, La Gomera, El Hierro, Fuerteventura, Graciosa, Canary Islands, Chinijo Archipelago, Alegranza, Montaña Clara, Roque del Este, Roque del Oeste, Marine life of the Canary Islands, Science in the Canary Islands