They are larvae of jellyfish.
No.
big
A baby jellyfish is a tiny, flattened creature called a Planula.An immature jellyfish is called ephyra.
A baby jellyfish.
the jellyfish that dory finds.
In the wild, a jelly fish grazes on food as long as it's there. It will vary from day to day.
The Arctic jellyfish is 120feet from head to tinicle.
A box jellyfish can be about 5 ft in length of tentacles.
Yes, but this all depends on the jellyfish type
I big no on that
There is no answer to this. Jellyfish, as do humans, come in all different shapes and sizes.