tanks too small

  1. Gypsy Tart

    Advise Needed-Veiltail Betta

    Hello there, I need some helpful advise as I will be 'petsitting' a tropical fish (Betta Splendens) which is native to to Asia. It's a black fish with wavy fins. I know absolutely nothing about keeping fish and what really bothers me is that the person bought the fish (approx 6-7 cms) from a...