Habitat: Found on mangrove roots in Bocas del Toro. Distribution: Puerto Rico, Jamaica, Belize, Guadalupe, Panama, St Martin, Bonaire, Curaçao, Florida and Venezuela, Mediterranean Sea, Mozambique, Madagascar, Southern India, Hawaii, Micronesia, southern Japan, Australia, Palao Is. Characteristics: This is a colonial ascidian formed by 8.0 mm long zooids, usually densely packed and united by a stolon. Both siphons are tubular and long for the size of the zooid. Short and parallel muscle fibers form a border on the dorsal region of both sides of the body. The pharynx has 9-15 rows of stigmata on each side.