Yes, and here is something from the archives that Beth wrote;
Originally Posted by Beth
I saved this one for last, just because I really hate them. These little ba…ahem… bad critters are fish parasites. They are cirolanid isopods. There is also a pic of one floating around that scares me senseless. They can look blue, brown, clear, what have you, but they all are bad. As soon as you see them, and have properly identified them as a cirolanid isopod, then proceed to CAREFULLY use forceps to remove them, and move the fish to a hospital tank. AND FOR THE LOVE OF AL THAT IS HOLY DO NOT LET THE ISOPOD TOUCH YOUR SKIN! I AM VERY SERIOUS ABOUT THIS! Here is an excerpt from one of Dr. Ron Shimek’s articles.
~~”I had a student who was holding a three centimeter cirolanid that we had just collected in her clenched hand. The bug cut through the flesh of her palm, dug in, and started to eat HER. Her response was rather impressive. So was the tenacity of the isopod, it was HARD to remove it.”