Hi, my betta Bruce I've had for around 3 weeks now, I bought him from Petsmart with him not in the best conditions. He currently is in a 5 gallon tank, with both a heater and a filter. Recently I've noticed a weird, greeny/silvery coloring (not fuzzy) on and around his gills and face. I do not know if this is just his natural coloring, or if this is some bacterial/fungal infection. I've searched everywhere for pictures of it online, and have been unable to find any good representation of what I mean. His behavior is totally normal, very active & playful. Does anyone know what this is? I'm worried this could be become worse and something serious.
Any help would be greeeeeatly appreciated!!
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