animals claw claws crab crab texture India krayker nature pattern pattern crab pincher sands sea seafood texture aquatic sand crab on the sands crabs abstract alone animal artwork background ball beach brown bubbler crabs build burrow coast construction crab markings Crustacean design grain hidden hiding hole home imagination industrious marine ocean play round sand balls Sand bubbler crabs sand bubblers sand marbles sandy shell shell fragments shells small sphere spheres spotted tiny tropical wildlife cold colors colours cool crab varieties crustaceans display displayed fish market food for sale fresh frozen home cooking ice market on ice prawns ready for purchase sea food shapes shopping Sizes smell textures varieties wet boil boiled exoskeleton freshwater red saavem art branch branching bubble crab closeup crustacea details dotilla dotillidae environment feed foraging intelligence life little macro marble marbles memory network process art radial Scopimera shore structure symmetry bubble Camouflage critter hide