This is how big Goldfish can get given the right conditions...

[Little Embers]

...and he is only 10 years old. Good Luck finding a fishbowl big enough for this Goldie.

http://www.dailymail.co.uk/news/article-1294594/Schoolboy-angler-reels-enormous-5lb-GOLDFISH.html

[rich311k]

Wow, not that is a goldfish.

[funkman262]

I'd like to see someone justify keeping that in a bowl

[Rue]

I'm glad they let it go again!thumbs2:

[VoidParadigm]

Pretty Comet goldfish. I'd love for mine to live that long and get that big.