Main Banner
Quick Search (all Fields)  :   Español 
Trididemnum orbiculatum(Van Name, 1902)Trididemnum orbiculatum

Didemnum orbiculatum Van Name, 1902
Found only on mangrove roots in Bocas del Toro.

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.

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.

Other Literature
Van Name, W.G. (1945) The North and South American ascidians Bull. Amer. Mus. Nat. Hist., 84: 1-476.

Rocha, R. M. & Moreno, T. R. 2000. Ascidians associated with Eudistoma carolinense Van Mame, 1945. With description of a new species of Polycarpa. Ophelia 52 (1): 9-16.

Rocha, R. M. & N. Y. K. Bonnet. 2009. Ascídias (Tunicata, Ascidiacea) introduzidas no Arquipélago de Alcatrazes, São Paulo. Iheringia, Sér. Zool., 99(1):27-35.

In Bocas Del Toro
Reported ByRocha, R. M., Faria, S. B., and Moreno, T. R.; Marine Invertebrate Taxonomy Workshop I, Bocas del Toro, August 2003.
Trididemnum orbiculatum
Trididemnum orbiculatum
Collin, R., Diaz, M. C., Norenburg, J., Rocha, R. M., Sanchez, J. A., Schulze, A., Schartz, M. and Valdes, A. (2005) Photographic Identification guide to some Common Marine Invertebrates of Bocas Del Toro, Panama. Caribbean Journal of Science 41(3), 638 - 707.

Rocha R.M., et al. Ascidians from Bocas del Toro, Panama. I. Biodiversity. Caribbean Journal of Science, Vol.41, No. 3, 600-612, 2005.
Since the database is a work in progress we would appreciate any comments or additional information we could use to improve this resource
Type the letters you see on the image