Sally lightfoot crab (Grapsus grapsus) in the littoral of the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

grapus grapsus galapagos islands intertidal zone coastal habitat red crab algae marine life animal behavior biodiversity ecosystems crustacean wildlife ocean shore nature adaptation environment rocky shore invertebrates tropical heritage site scavenger feeding movement fauna aquatic earth exploration adventure conservation ecosystem health tidal pools vibrant colors habitat coastal ecosystem conservation area animal kingdom sea life shoreline natural beauty remote locations biodiversity hotspot unique species ecological balance marine ecosystems ecological diversity intertidal habitats species richness wildlife observation