<div class="views-field views-field-field-product-summary tb"> <div class="field-content"> <p><em>C. tricolor or Blue leg Hermit Crab</em> is a popular aquarium hermit crab because of its coloration and because its feeding habits lead it to clean tanks. It is emblematic of the public's shift from purely decorative animals to "working" animals that help sustain the aquarium's ecosystem, reducing the need for active management by the owner.</p> </div> </div> <p> </p>