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black eyes

  1. Discoloration/Black Eyes/White Lips

    Betta Fish Diseases and Emergencies
    I don't know if I'm overreacting or not but my Betta fish started to have some brown discoloration on the top of his head a while back. Then it grew to his whole head. So I changed the tank to a 2.5 gallon filtered tank with a light. The discoloration is slowly ebbing away but now his lips are...