http://sequoia.ucmerced.edu/SymBioSys/
A great website where one can find genetic data (e.g. transcriptomes) on coral symbiosis
http://www.planktonportal.org/
A very nice citizen science initiative to help scientists annotate plankton images collected in situ.
You'll find a lot of colonial radiolaria in these images. Go ahead and annotate, it's fun !!