scale worm

Here is a list of some common worms found in a home aquarium. Flatworms, eg AEFW, and worms found on fish, eg flukes, are not included. 1/5 Harm=Minimally harmful, may be visually annnoying 1/5 Use= Minimally useful, filter feeders may help filtration (minimal) 5/5 Harm=Extemely harmful, may...