19th century illustration of coral fishing in the Maldives. Red coral has been harvested from reef beds for centuries. Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria. The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
Bildgröße: | 4841 px × 5889 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |