A harlequin swimming crab (Lissocarcinus laevis), lives with this sea anemone in symbiosis, Philippines, Southeast Asia, Asia

actiniaria anemone anemone crab animal animal behavior animal themes animals in the wild anthozoa anthozoan aquatic arthropod biological biology brachyura chela chordata claw cnidaria cnidarian color image crab crustacean decapod decapoda ecology ecosystem environment environmental fauna front view habitat harlequin crab harlequin swimming crab hexacorallia horizontal lissocarcinus lissocarcinus laevis malacostraca marine biology no people ocean life one animal outdoors philippines photography polyp portunidae sand anemone sea sea anemone sea life southeast asia species swimming crabs symbiosis symbiotic relationship undersea underwater wildlife zoology