Caribbean land hermit crab (Coenobita clypeatus), Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize

coenobita clypeatus belize marine life crab foraging sandy shore crustacean biodiversity nature wildlife ecological balance coastal ecosystem shell colorful claws scavenger tropical environment feeding behavior conservation habitats beach invertebrate habitat protection underwater world shallow waters vegetation observation reef animal hotspot adaptation sand grains phenomenon natural species diversity shoreline movement interaction