jmedu -jmed- experimental gismu

x1 is a jellyfish/sea jelly/medusa/cnidarian of species/variety x2

Synonym of mivjdu, snidari'a.

In notes:

aktiniiari
x1 is a sea anemone (order Actiniaria) of species/breed x2.
korja
x1 is a coral/polyp/barnacle (hard, sessile marine animal) of species/variety x2
korjyjmedu
x1 is a polyp (sessile cnidarian) of species/breed x2