What Would the World Look Like Without saltwater jellyfish?

http://sergiokpyi653.over-blog.com/2019/08/10-misconceptions-your-boss-has-about-jellyfish-aquarium-decoration.html

I've 2 of those in my twenty gallon and me and my fishies enjoy these. They transfer like actual jellyfish and include another contact. Pretty neat, want I'd home For additional.