Star coral. This coral forms a hard,stony calcium skeleton (white). In the centre of each round corallite lives a coral polyp (not seen in this dried specimen) which emerges at night to filter plankton from the water. The mineral secretions of the polyps forms the skeleton | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5153 px × 4025 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |