Whether you're new or experienced in saltwater aquariums, invasive pests - such as flatworms, bristle worms, and feather dusters are just a few life forms that you'll want to be on the lookout for. One pest, known as Vermetid Snails, is an unsightly pest with one of the worst reputations in the saltwater hobby.
This is a companion discussion topic for the original entry at https://light.fish/blog/epistylis-vs-ich