Quahog clam (Arctica islandica). Two halves of a quahog clam shell. This clam lives in waters around northern Iceland and is estimated to be 405 years old,making it the world's longest lived animal. The quahog age is calculated by counting annual growth rings on the shell. The distance between each ring growth may also reveal evidence of past climate change | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / BANGOR UNIVERSITY / WANAMAKER ET AL |
Bildgröße: | 5326 px × 3307 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |