Watch Starfish & Other Echinoderms
- NR
- 2007
- 9 min
Live-action footage highlights the characteristics of echinoderms, or "animals with spiny skins," whose 6,000 species include starfish, sea urchins, and sea cucumbers. Close-up videography of spiny starfish, cushion starfish, serpent starfish, sea urchins, and sea cucumbers focuses on their methods of locomotion, their five-armed structure, their calcareous skeletons, their branchiae, and their carnivorous behaviors.