More information on Skin Fungi (Saprolegnia sp.)
Main Ref: 41805  
Disease type: Fungal diseases  
Disease name: Skin Fungi (Saprolegnia sp.)  
Other names: External fungal infection  
Caus. agent: Saprolegnia sp.  
Group:    
Part of body and/or behavior affected by disease:
 Skins and/or fins  Belly  Swimming behavior
 Gills  Anus  Other behavior
 Eyes  Viscera Afflicted  Other symptoms
Fish affected:    
Symptoms: A cotton-like dots on the injured tissue can be seen. Also this fungal knots may also be found in the gills.  
Treatments: Know the real cause of the puffed cotton-like dots (which are usually bacterial infection). It is important to control first this bacterial infection before treatment of the secondary fungal infection. Use an anti-microbial medicine to fight off the bacterial infection and at the same time use FMC (1 liter of Formaldehyde (37%) (or 100 ml), 3.7 gm of Malachite Green oxalate (or 0.37 gm), 3.7 gm of Methylene Blue (or 0.37 gm)), dose is 1.0-1.2 ml/100 l tank water or 25 drops/100 l or 1 drop/gallon. An anti-fungal medicine is needed to control the fungal infection. Also it is advised that once or twice the fish should be dip in a diluted anti-fungal solution or swab the solution on some of the infected part. Methylene Blue (0.3-0.5 gm/100 l for 3 days in a separate tank), Salt, Copper Sulfate (Stock-solution: 4 gm/1 liter, 20 ml/100 l or 4 drops/liter), Potassium Permanganate (400-800 mg/100 liter for 60-90 minutes), Povidone-iodine (1 drop/4 drops of water), or Eosin can be applied effectively.  
Prophylaxis:    
Remarks: Healthy fish are rarely affected by this fungi. Fungal infection causes further damage of the tissue by deteriorating the injured part of the fish. Also Ref. 41806.  
Mortality and seasonality
Mortality:  
Seasonality:
Entered by: Palacio, Allan on 08.08.02
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