Ar-1590 SPIDER CRAB, Libinia emarginata and Libinia dubia

Will tear an attractive orange or blue sponge apart and stick it on their backs as a decorating camouflage. Excellent scavengers and predators. Highly sensitive to salinity changes, used as examples of strict stenohaline osmoconformers in physiology experiments. Females gravid February through May. Size: 6-10 cm.