Habitat: Found on mangrove roots and in coral reefs in Bocas del Toro. Distribution: Shallow waters of the Caribbean, Mediterranean, Red Sea, Indian Ocean and the Pacific. Depth: 0.5-7.0 m Characteristics: Siphons are close together, covered by a cleft that forms a lid in the anterior region. The tunic is cartilaginous and firm with conical points on the lid and on the margin of the cleft. The individual collected was ~4.0 cm long. Large muscles can be seen running from the siphons down the length of the body. This is the most distinct characteristic of this species.