National Geographic : 1952 Jul
© National Geographic Society 49 Danger Lurks in Camouflaged Claws, Bristling Bayonets, and Waving Arms Sponge Crab crouches in portable ambush. Green Porcelain Crab rests beside three shelled cowries (right). Wary sea creatures avoid Black Urchin's stinging spines. Female Argonaut, or Paper Nautilus, an octopus, uses her shell only as an egg nest. Squirrelfish (top) and green Cowfish swim among coral and weeds. ~Ra~~, 4'-"" ':r Ir bt =r .