Betta has no upper lip
Hello, this can be due to a disease (was there possibly any kind of skin slime visible?) or an injury. If it was that way from the beginning, a misshaping (e.g. by mineral of...
Frequently asked questions
Biofilm on the surface
Hello, such a biofilm (which, by the way, may also be greenish) occasionally occurs if there are excess organic pollutants (proteins, carbohydrates, etc.) that serve as nutrients for...
Black algae in a goldfish aquarium
Hello, the pustules and threads are probably black spot and/or beard/brush algae, which biologically belong to the red algae. In this case it is advisable to lower the phosphate and...
Black fin edges after a fin rot treatment
Hello, this kind of black edge sometimes occurs after a successfully treated bacterial infection - it usually heals more or less completely. No further treatment is required if there...
Black Mollies have protruding eyes and skin slime
Hello, I think fungi are indeed very unlikely, as they look like cotton fluff or mold (which it actually is).In case of milky layers an infestation with bacteria or single celled...
Bottom gravel is clogged by sludge
Hello, it is in this case advisable to simply use a gravel washer during the water changes. Generally, the problem occurs mainly with coarse gravel. The gaps are simply larger,...