Can lobsters and jellyfish live forever?

Yes
In my belly

Only if they're saved. 😐

Some jelly fish do apparently

never heard about lobster, certain species of jellyfish can, and the Greenland Shark is suspected to live up to 500 years

then there is Jonathan, giant tortious that is the oldest living land animal 189 years old

I don't think there is a known lifespan for lobsters. They get eaten every time they're found! I've had Jellyfish at Chinese restaurants a lot. It's quite good.

Jellyfish just float on ocean currents and turn back into babies when they want i mean sign me up

The immortal jellyfish can revert itself to adolescence to escape danger. So yes for jellyfish

Jellyfish only live about 2 years however lobsters can live for over 100.

Lobsters? NO! Jellyfish? Yes!

Certain jelly fish can