apophenic-ocelles:ladymdej:These koi are really aggressive. But look at the markings!Fun fact: These
apophenic-ocelles:ladymdej:These koi are really aggressive. But look at the markings!Fun fact: These aren’t koi, they’re ordinary goldfish! A lot of people think that koi are just large outdoor goldfish, but they are actually separate species. However, like koi, goldfish can easily grow to tremendous sizes and live a long time, provided they’re given adequate space and nutrition. -- source link