Norwegian red sea cucumber (Parastichopus tremulus), ventral side. Aquariumphoto.

---

Size: 4621px × 3046px
Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aspidochirotida, cucumber, cucumbers, echinodermata, echinoderms, holothuroidea, mouth, norwegian, parastichopus, pigghuder, red, sea, stichopodidae, stichopus, tremulus, ødpølse