Is there fresh water jellyfish?

Question

Is there fresh water jellyfish?

Answer 1

if there isn't(but that is rather unlikely) the should be relatively easy to evolve by reducing the salt concentration in the water every generation.

Answer 2

Yes in china

Answer 3

yes.

http://search.yahoo.com/search?fr=ieas&p...

Answer 4

yes there are some in the tennesse river   ohio river and other places    the prefer standing water though  in fact there have been fresh water jellyfish sightings in 45 of the United states  and all over the world

Answer 5

I can not think of one off the top of my head.