horned ghost crab (ocypode ceratophthalmus) near its burrow (pix sanjiv shukla)

ocypode ceratophthalmus horned ghost crab horn eyed family ocypodidae subfamily ocypodinae horns eyes sand crabs decapoda decapods crustaceans eyestalks long points box shaped body carapace darker markings h shape eye sheaths scavengers claws exoskeleton semi terrestrial run shore tropical deep burrows intertidal zone predators nocturnality pale coloration one claw larger stridulation elongated gills seawater waves water debris carrion generalists preying nocturnal swift runners colour change pigments great barrier reef environment communication system rubbing leg habitat indo pacific africa philippines pacific