Worm sand cast. Sand cast on the sea-bed. This cast is formed by an acorn worm (class Enteropneusta) as its excretes ingested sand. Photographed in the Red Sea,Egypt | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Douwma, Georgette |
Taille de l’image : | 3420 px × 5150 px |
Model Release : | Non requis |
Restrictions : | - |