Ungal Infection Or Something

[expert11]

hi my zebra danio has had a white thing on his mouth for about a month i dont know if it is a fungal infection or what . plz help

 

[WILDER]

Sounds like mouth fungus.
http/www.thetropicaltank.co.uk/hdcolumn.htm

 

[expert11]

yer but its been on there fo ages .

 

[WILDER]

Mouth fungus dosn't have to been fluffy it can just be a white patch, please post test results in ammonia,nitrite,nitrate, and ph, how many gallons is the tank, plus full fish stock of how many and which type.