4 years ago#1
lisa
Guest

my yellow goldfish has white fluff on his tail what does this mean

Answer
4 years ago#2
dkpate
Champion
Blogs: 1
Forum: 2,435
Votes: 78

What kind of goldfish?
How long have you had him?
What size is the tank?
Has it gone through the nitrogen cycle?
How often do you change part of the water?
It sounds like fungus, which is usually a secondary infection.

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