Open a small business harvesting jellyfish. It is already a growth market in Asia and will be a growth market for the next 50 years in many parts of the USA:

"Southern Fishermen Cash In On Asia's Taste For Jellyfish":

http://www.npr.org/sections/thesalt/2014/01/28/267836803/sou...

"Jelly Balls Harvested by Boone Seafood Darien Georgia":

https://www.youtube.com/watch?v=laArO6Yk-W0