DescriptionThe Blue Leg Hermit Crabs also known as Tricolor Hermits or Dwarf Blue Legs are tiny powerhouses and used extensively in the marine aquarium hobby for control of 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 leftovers. Size per individual is roughly 1/2″ – 1″ inch shell.
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