Organism | : | Echinoderm Sea urchin |
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Species | : | Paracentrotus lividus |
Description | : | Sea urchins produce large amounts of gametes in their gonads that can weigh up to a fifth of the animal’s weight. Here a female sea urchin releases millions of eggs in the open sea. Photo : N Sardet, CNRS |
Project | : | The Plankton Chronicles |
Website | : | http://www.planktonchronicles.org |
Tags | : | Egg |