Disease are mainly caused from stress or poor water quality. To keep your fish from getting diseases you must maintain healthy water conditions so that your fish do not stress out. The most common disease is Marine White Spot. Most diseases are already present in your water, but they only attack the weak fish that are under stress. To prevent these diseases you need to make sure you have the best of water quality. To find out how to cure your fish, its best to ask your local fish dealer for the cures that they have. When transferring your fish it is probably the most critical time of being attacked by a disease because they are under the most stress. If you happen to get a disease on your fish, you may want to quarantine it. Stick it in another medicating tank so you don't hurt anything in your main tank when trying to medicate. Some cures may hurt or destroy some of your invertebrates while medicating another fish so is important to quarantine it. NEVER put any water from your fish store into the tank when transferring. Your fish stores water may not be that good and can introduce new diseases to your tank. A way you can remove diseases from your fish is to freshwater dip them from anywhere to about 20 seconds to 3 minutes. This removes parasites because the freshwater kills most marine diseases. Make sure though that the freshwater you dip them in is the same temperature as your main tank and is de-chlorinated. Another fish called the Dwarf Wrasse can be helpful because it eats the parasites of the other fishes gills. Also another good parasite remover to have is a cleaner shrimp, they also clean off the parasites on your fish.

Marine White Spot		Oodinium or Marine Velvet
Symptoms: flickering, scratching against surfaces, very irritated, small white spots covering body Comments: This disease is caused mainly from stress, and spreads very quickly Treatment: use copper-based medications for several days until fish looks fine		Symptoms: flickers, scratches, and small spots all over body, very rapid breathing Comments: can be fatal, should be treated immediately Treatment: use copper-based medications to treat disease, must be treated quickly to be effective
Marine Black Spot		Marine Fungus
Symptoms: fish covered in black spots all over, flickers, scratches against objects in tank Comments: not as bad as whitspot, very few spots compared to white spot, not as deadly Treatment: can be treated with copper-based medications, more effective if treated quickly		Symptoms: rough appearance of skin, doesn't eat, darkened patches on fish Comments: this disease is due to the fact that your water quality is very poor, should be improved Treatment: improve tank conditions, can't treat to easily with medications, soak food in Phenoxetol, somewhat effective
Gill and Fin Flukes		Head and Lateral Line Erosion
Symptoms: cloudy eyes, flickering, scratching, rapid breathing, and white pigment on skin Comments: very deadly, if gills become infected the fish will start to suffocate and die Treatment: treat in treated freshwater for about 2-3 minutes to relieve stress, then add anti-fluke medications		Symptoms: erosion of skin along the head and lateral line, can see no color or skin in some cases Comments: elevates disease if bad water quality is present, fish will deteriorate if environment not improved and eventually dies Treatment: improve water status, there are no medications, mainly improve you water conditions
Finrot		Cauliflower Disease
Symptoms: white flaky stuff on fins and other parts of body, loss of appetite, reddened areas near fins Comments: can spread to rest of body quickly if not treated quickly, fish will start to rot also Treatment: use copper-based medications, improve water conditions immediately		Symptoms: wortlike bumps on fins and body of the fish Comments: this disease is very rare, it is not too deadly to fish but can spread easily Treatment: there is no medication for this disease but freshwater dipping can help reduce the virus