The following is a list of aquarium diseases. Aquarium fish are often susceptible to numerous diseases, due to the artificially limited and concentrated environment. New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat. Most fish diseases are also aggravated when the fish is stressed. Common aquarium diseases include the following: Freshwater Saltwater Cryptocaryon (marine ich) Marine velvet or coral reef fish disease Anemonefish disease Both Uncategorized Myxobacteriosis Ichthyobodo (costia) Quarantine The goal of quarantine is to prevent problems in the main tank due to sickness. A quarantine tank should be used before to introduce any newly acquired animals in the main tank and to treat fish that are already sick. By doing this, the aquarist can avoid the spread of the disease and make it easier to treat the fish. See also Fish diseases and parasites References Bibliography Encyclopedia of Aquarium and Pond Fish (2005) (David Alderton), DK Publishing, External links Help with Stress, Disease and Death Theaquariumwiki.com Diseases Fish diseases Aquarium