abt my fishes

Question
hi im new in d planet of growin fishes but i stil wanted to grow fish in mu house so my frnd gifted me 3 golden fishes. but she gav me itself it had black spots on de,..s tat a breed or sum deffiency on dem.pls temme d possible ways to grow dem well.i ve oly  2 golden fish n throu a detail study 4m google search i learnt tat i ve both male n female..temme wen it ll grow..i want dem to b wit me 4 eva..ppls do help me

Answer
The best way to help Goldfish grow is to place them in a tank large enough to accomdate them. You will either need to split them up into two seperate 55 gallon or larger tanks.  Or place them in one 125 Gallon tank would be suitable.  Goldfish need 5 gallons per inch of them.