Hi Paul, and very welcome here.
I agree to your own thoughts regarding the belonging to the bintan-harveyi group, – but that is probably also the best we can say at the moment.
I bought some paros in Copenhagen a few months ago, – they look really similar to yours.
With this kind of fish we will likely not be able to really pinpoint which type, sp. etc that it is, – at least not untill we have a really good photo of a flashing ‘adult’ male in full colour. That may help.
Theres also always a chance that even they look like some of the types we know, – they may even be different – another variation.
The fish I have, actually are really really beautiful and strong fish. They were ‘said’ to be from Sumatra, – but then of course they were also labelled as sumatranus :blink: in the first place. That just shows you how difficult it is.
If you live in Manchester you may know one of our members John Walsh, who also live in Manchester, – perhaps he may be able to help you with a better id at some time. I can give you his adress if you wish to, – will send it in a mail then.