- Marine Biology > Oceanography@
- Marine Biology > Organizations > Conservation
- Tethys Research Institute
Nonprofit NGO dedicated to the preservation of the marine environment especially in the Mediterranean region.
- Mycology > Lichens
- Zoology > Animals, Insects, and Pets > Mollusks > Slugs > Sea Slugs
- Mediterranean Slug Site
Featuring information and images of Opisthobranchs from the Mediterranean Sea and elsewhere.