Which sea jelly is the largest in the world?
Correct answer: Lion's mane jellyfish

RushMama2112
I like to spot them from the ferry. In the summer they float on the surface of the water. Not quite as big as this, though.

Player #24358685
RushMama2112, the ones from the ferries here, to me, always looked liked eggs just dropped into a hot frying pan!