the galaxy jelly a giant species of jelly fish being immune to old age the galaxy jelly grows a single extremely long tentacle lined with stinging fishing line like tentacles these creatures have no nervous system and act purely off of triggers in the environment galaxy jelly's are often only around the length of smaller leviathans but on rare occasions if a galaxy jelly lives for millions of years they can reach the size of massive length similar to the astronomical leviathan
this is just a concept not a full creature i just thought we could use something like it
