Habitat: Found only on mangrove roots in Bocas del Toro. Distribution: Panama, Belize, Curacao, Guadalupe, Bermuda and Brazil. Natural History Notes: The color of the colony depends on the quantity of calcareous spicules on the surface. Characteristics: The encrusting colony has white circles (calcareous spicules) around each dark zooid. The general color may be grayish or brown. The zooid is 1.0 mm and the larva 0.6 mm long.