It shows a renting relationship always in shallow coastal areas. Although it can be sporadically out of the water. With its body completely covered by a grayish-white shell or carapace that protects it. Always colonizes stones, rocks, shells, poles, and all manner of shoreline objects, often above the tide line, in the splash zone. Its body is conical in shape and approximately one centimeter high, formed by 6 plates, it is fixed to the rocks or the subject by the base.

Its stony shell can measure from millimeters to 5 or 10 centimeters; The active life of the organism can only be observed underwater, when the shell opens and two branched appendages emerge from its white covers that regularly churn the waters to capture food.

In its shell, its body is visualized by the operculum that gives way to cirri, and resembles an octopus beak. It feeds on plankton that enter through the operculum, being dragged by the water current of its cirrus clouds, it is found in multiple rocky areas, inhabiting practically all the seas.