Pearl bubble coral (Physogyra lichtensteini). This species of coral is covered in clusters of small vesicles during the day. The vesicles retract if disturbed. At night the polyps extend their tentacles,which have a powerful sting | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Daniels, Ethan |
Bildgröße: | 5154 px × 3436 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |