Length:
2:47
A tiny camera placed inside a mussel shows how a sea star slips its stomach inside the mussel to digest the mussel’s flesh.
Echinoderms: Sea Star Time-lapse: Eating Mussel
Next Generation Science Standards for this Video
A sea star uses its strong arms to pry open a mussel shell. It everts its stomach to digest the flesh outside its body.
Predator-prey interactions: how sea stars prey on mussels. Through natural selection predators and their prey adapt ways of hunting and defense. Mussels close-up tightly but strong sea stars can still pry them open.