|In mangrove, coral and artificial substrates.|
|Caribbean Sea, Atlantic ocean, Indian Ocean, Pacific Ocean, Indo-Pacific.|
|Natural History Notes|
|Crude extracts of Didemnum psammatode contain compounds that inhibit bacterial growth. The presence of bacteria on the animal's surface could be due to a selective inhibition against specific bacteria or the ascidians may exhibit surface properties that support specific epibacteria which may reduce the abundance of other bacteria.|
The extracts of D. psammatode also show a strong inhibition for the sea urchin egg cell cycle during both phases examined, first cleavage and blastula.
|Colony crowded of fecal pellets in the surface of the tunic. There are few spicules in the tunic.|
|Ramasamy,M. S.,Murugan, A. (2003) Chemical defense in ascidians Eudistoma viride and Didemnum psammathodes in Tuticorin, southeast coast of India: Bacterial epibiosis and fouling deterrent activity. Indian Journal of Marine Sciences. 32(4): 337-339.
Jimenez, P. C., Fortier, S. C., Lotufo, T. M-C., Pessoa, C., Moraes, M. E. A., de-Moraes, M. O., Costa-Lotufo, L. V. (2003). Biological activity in extracts of ascidians (Tunicata, Ascidiacea) from the northeastern Brazilian coast. Journal of Experimental Marine Biology and Ecology 287(1): 93-101.
Kott, P. (2001) The australian Ascidiacea Part 4, Aplousobranchia (3), Didemnidae Memoirs of the Queensland Museum 47(1): 1-407.
|In Bocas Del Toro|
|Reported By||Rocha, R. M., Faria, S. B., and Moreno, T. R.; Marine Invertebrate Taxonomy Workshop I, Bocas del Toro, August 2003.
2006 Smithsonian Tunicate Taxonomy Course sponsored by SENACYT
|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.
Field Guide to Common Sea-Squirts (Tunicata, Chordata) of Bocas del Toro area elaborated by students of the NSF-PASI: Advanced Tunicate Biology course, 2011.
Since the database is a work in progress we would appreciate any comments or additional information we could use to improve this resource