Can you help me with my betta Alex please! My thread is in Betta Fish Diseases and Emergencies. My betta Alexander has a lump that's getting larger I have a pic in the thread. Please help! Thank-you.

I'm really worried about Alex :[ I was hopeing that you could help...! He is eating normal...and he's active and being his happy self but I noticed a dark black spot on his body that is just a black puffy spot...I really have no clue what it is! Is there something wrong with him...? I'm really worried about him!!

Thankx for the advice in-case of a tornando!! :] Luckily I didn't have to use it!