New Guppy illness?

[fishluver]

I have had guppy's for yrs...and this is the first time I have ever seen this. I have a male and he was laying on the bottom of the tank bearly alive, and I seen pink/red circles on his body. I have not a clue how to treat this is it fungus or what?

 

[fishluver]

 

[plysha]

mine got that also but most have already died

 

[fishluver]

U don't know what it is? or how to cure it?