The Scarlet Leg Hermit Crab is a slightly larger relative of the more common red and blue leg hermit crabs. Similar to their close relatives, Scarlet Leg Hermits and powerhouses at consuming nuisance algae including hair algae, diatoms and cyanobacteria. Blue Legs congregate in large numbers in the wild feeding upon many types of algae and do a wonderful job within a reef tank consuming algae as well as leftover food. Scarlet Leg hermit crabs are some stunning additions to your reef. These wonderful cleaners can add a little splash of color to any reef tank!