Can you keep a dead starfish?
Christopher Snyder
Published May 01, 2026
Simply so, can a dried starfish come back to life?
Arms can take months, even years to fully regenerate, so it has to be a pretty serious situation to lose one. Incredibly, if the severed leg is not harmed, it can heal itself and even regenerate – resulting in a genetically identical starfish.
One may also ask, can you rehydrate a dead starfish? It is possible to flatten a dried starfish by rehydrating it and repositioning the limbs. This method can be used to make slight alterations to the position of the legs on most species of starfish.
Likewise, people ask, can you pick up a dead starfish?
The answer is no, starfish are not poisonous at all and their spikes can't hurt you unless it pierces your skin – or if the spike has a venomous substance on them which only happens in some species of sea stars like urchins. Experts often tell people not to pick up starfish, especially if they're on the shore.
How do you tell if a starfish is alive or dead?
How to tell if a starfish is alive or dead. Starfish get around using thousands of tiny tentacles, called tube feet, on the bottom of each arm. If you look closely at the underside of a starfish and see these tiny tentacles moving, then the starfish is definitely alive!