I hate these things there such assholes when your new i was in the water tamping sarco then jellyfish kill it so I got god console I just turn on ifnte stats and invariable and I just press kill target
How to kill
Step one:get into the water and have them agro on you but stay close to shore so they can’t get you.
Step two: when they are almost on the shore and can’t go any further.
Step 3: kill them with any spear like weapon.