Mangrove crab burrows on sandy beach with fiddler crabs scared into hiding

mangrove crab red blue fiddler crab bali indonesia burrow sand beach kelp seaweed dirty high tide tidal mark tide line static still nature dissapear scared evolution hide flight reaction drop blue mangrove crab macro detailed closeup animal crab crustacean wildlife ocean background seafood claw marine food shellfish shell black mangrove alive asia outdoor giant space for text copy space