Coral Reef

2011 animal archipelago charles darwin charles darwin research station close up coral reef creature crisis dangerous biological material diving eco ecuador endangered species endemic species environmental issues equator evolution far fish galapagos galapagos islands hammer hammerhead shark heritage imposing island islands land landscape large live loose may nature observation ocean current one original outdoors park reef regulation release rock rule scary scared scuba diving sea shark south america study theory of evolution tour travel underwater water wildlife world heritage world natural heritage no people