| Organism | : | Echinoderm Sea urchin |
|---|---|---|
| Species | : | Paracentrotus lividus |
| Description | : | A few days after fertilization, the sea urchin planktonic larva looks like a miniature Eiffel Tower. Its skeleton made of calcium carbonate crystals diffracts polarized light in a festival of rainbow colors. Photo : C Sardet, CNRS |
| Project | : | The Plankton Chronicles |
| Website | : | http://www.planktonchronicles.org |
| Tags | : | Larvae Larva Pluteus |