I just catch this worm from a liverock in my tank, i dont know if it kill all the fish cuz when i added fish it die after few days. i just bought a bicolour blenny on tue and he seem to be ok the first day but ytd i saw it doesnt wanna go close to the liverock and keep hanging around at the corner. but then my blenny is dead today but i found that worm on the liverocks. did anyone know is the worm kill my fish or not? the worm is about one inch. thanks

