Can someone please identify this type of Dino I’ve dosed vibrant to kill off bubble algae it’s working but I am ending up with these now stands of algae with bubbles I have no sand bed as it is a bare bottom sps tank vibrant is working and killing off my bubble algae I check every other day my phosphate and nitrates it ranging between .02-.05 pho’s and 5-15 nitrates as I dose to keep them up but still ended up getting these dinos. Any help would be appreciated