Main Page | See live article | Alphabetical index New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat. Common aquarium diseases include the following: Amylodinium (marine velvet) Anchor worms Cryptocaryon (marine ick) Dropsy Fin rot Flukes Ichthyophthirius (white spot or ick) Oodinium (velvet) Tuberculosis This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.