The following strains are grown at the Station Biologique in large volumes (200 L) to feed marine organisms such as ascidians :
| Haptophyta | Isochrysis aff. galbana (T-iso) | RCC 179 |
| Haptophyta | Pavlova lutheri | RCC 180 |
| Cryptophyta | Rhodomonas baltica | RCC 350 |
| Diatom | Skeletonema costatum | RCC 70 |
| Diatom | Phaeodactylum tricornutum | RCC 69 |
Communicated by Sébastien Henry (Service Mer, Station Biologique de Roscoff).
The following strains have been grown at Oceanopolis in large batches using the Conway medium.
| Cyanobacteria | Synechococcus | RCC 540 |
| Mamiellophyceae | Ostreococcus tauri | RCC 745 |
Communicated by Dominique Barthelémy (Oceanopolis Brest).
