COMMON DISEASES |
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ANCHOR WORMS |
SYMPTOMS: Threadlike worms hanging from the fish, the base of the worm may be red. |
HEMORRHAGIC SEPTICEMIA |
SYMPTOMS: Red streaks on fins usually near the body with no signs of skin damage. |
CLOUDY EYE |
SYMPTOMS: The eye developes a cloudy, white film over it. It may be a bacterial problem or caused by poor water quality. |
FUNGUS |
SYMPTOMS: The fish has patches of white or gray cottony, fuzzy puffs attached to its skin, fins or in wounds. |
GILL FLUKES |
SYMPTOMS: The fish scrapes itself against objects, gills pump fast and may appear red, the gills or fins may be eaten away, mucous covers the gills or body. |
INTERNAL PARASITES |
SYMPTOMS: Fish may act listless, turn darker in color, have a loss of appetite, lose weight and have long, white, stringy feces. |
FIN AND TAIL ROT |
SYMPTOMS: The tail and/or fins are frayed or ragged. This is a bacterial disease that usually attacks weak or slightly damaged fin edges and eventually works its way toward the body. |
VELVET |
SYMPTOMS: Very small white speckles on fish, it resembles a dusting of fine powder. The white pustules are finer than that of ick and are located mainly on the body of the fish. It can be caused by poor water quality as well as by stress or chilling during transportation. |
DROPSY |
SYMPTOMS: The body will have general swelling and the scales often protrude, resembling a pinecone. The eyes may also bulge. Dropsy is a bacterial disease that attacks almost all the internal organs of the fish, causing fluids to concentrate in body tissue or cavities. Tuberculosis causes similar symptoms as Dropsy. |
POPEYE |
SYMPTOMS: One or both eyes protrude from the socket. This may be caused from, fighting, bacteria, tumor or over-aerated water. If left untreated, the eye may bulge out so far that the eye can pop out of the socket, resulting in the loss of an eye. |
ICK |
SYMPTOMS: Little white dots resembling salt or sugar granules. This is probably the most common parasitic disease among tropical fish. It is almost always present in aquariums and can become visible if the fish's resistance is weakened from poor water conditions, overcrowding, stress or an improper diet. A new fish that has recently been added to the tank can also be a carrier of ick. The best prevention is to maintain optimum water quality and quarantine any new fish before adding them to your tank, this will enable you to observe the new arrival and monitor them for an diseases. |
HOLE-IN-THE-HEAD |
SYMPTOMS: This is a parasitic disease which affects the head and/or lateral line. The fish has tiny round holes in the head area, usually with stringy-looking white worms inside the holes. Discus and other large cichlids, especially Oscars, are especially prone to HITH. It is said that this is caused by feeding feeder fish in the diet, but poor water quality and poor diet can contribute to the spread of this disease. Often the fish will stop eating. |
SWIM BLADDER DISEASE |
SYMPTOMS: The fish has a buoyancy problem and may float to the surface, sink to the bottom, swim with it's head down, do somersaults through the water or do headstands in the gravel. In the later stages of the disease, the fish may lose its balance or swim upside down. The key to swim bladder diagnosis is that no other signs of disease are present and the water conditions are ideal. Since enviromental conditions can affect the equilibrium of the fish, pay special attention to the density and temperature of the water. |