Help

Help, I am tired of babies so am separating my females into a 20 gal tank 2 were easy number 3 I bought as a female, body is black accented by irridecent blue, so can't see gravid spot. male seems to be after her but when I put her in the female tank she seems to chase females. here is the best pic I could get, help I must have 100 babies, need a rest ty carol

That black guppy is definitely a male .

please share how can you tell

This should help you

Females have a fan shaped anal fin as shown in Purple where the males is more like a stick shown in blue

ok stupid here, I guess you can see that in my pic, no more female tank for him ty