With dropsy, the fish will have visible swelling and projected scales. Dropsyĭropsy is not a specific disease, but rather a symptom of a deteriorated health condition. Another option is the use of medicated foods if the fish are eating well.
Remember to follow the manufacturer’s directions and remove any activated carbon from your filter before treating the aquarium. Over the past 25 years, I have used a variety of medications with varying degrees of success however, in most cases, tetracycline has been the most effective treatment for infections caused by both Vibrio and Aeromonas, though there are other antibiotics that you can use. If only one fish appears to be infected and you move the infected fish to a quarantine aquarium as soon as possible, you may get lucky and not have to treat the display aquarium. Obviously, if we are dealing with a large aquarium, this could potentially be expensive. With most bacterial infections, all fish in the aquarium will be affected to varying degrees, so the entire aquarium may need to be treated. Fish with an internal bacterial infection may not show any signs other than a loss of appetite and possibly a swollen abdomen. The symptoms (e.g., cloudy eyes, bloody patches, decaying or frayed fins, scratching) of these bacterial infections can be similar, and therefore it can be difficult to determine which pathogen is responsible. The most common bacterial infections are caused by one of three pathogens: Vibrio, Pseudomonas or Aeromonas.
Once you can diagnose the problem (or make an educated guess as to what it could be), you can treat the fish. If you observe your tank and see one of the symptoms mentioned earlier, it’s likely that the fish has one of these common freshwater fish diseases.
#Red zebra cichlid scratching skin
Skin lesions are one of the most common signs of disease and are often the first problem observed by hobbyists. Also look for increased breathing rates and crowding near the filter return at the top of the water column. Gasping for air at the surface is a sign of either poor water quality (including low dissolved oxygen), or gill disease or gill damage (parasites, bacteria, viruses). With fish that normally school, an individual isolating itself from the group can be an early indication of disease. This is commonly observed with fish afflicted with external parasites. The act of fish rubbing up against objects in the aquarium may be a sign of irritated skin. This is a nonspecific sign that can be seen with a variety of diseases. These are common signs of disease, but they are not specific to one disease and may be seen with poor water quality, various infectious diseases and many other problems. Common Signs of Possible Disease Altered or Decreased Activity If you have been keeping fish for any length of time, you have experienced a similar scenario. Upon closer examination, you see that a fish is not behaving normally, or there are external signs of disease. You stop and turn to take a closer look – something doesn’t look right. You walk by your aquarium, and something catches your eye.
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