However , about 20 % - 40 % of mature medusa went into stolons and polyps stage without passing cyst - like stage .
All immature medusa ( with 12 tentacles at most ) then turned into a cyst - like stage and then transformed into stolons and polyps .
About 20 % - 40 % of mature medusa went into stolons and polyps stage without passing cyst - like stage .
All immature medusa ( with 12 tentacles at most ) then turned into a cyst - like stage and then transformed into stolons and polyps .