Here is the US we have Lamasi and Panguana Lamasi. I have seen Panguana Vent and imitator used overseas with pictures of the same frogs. I also believe that there are mulitple morphs of lamasi and panguana. The frog picture said Lamasi to me at first, but doesn't match the ones here in the US the colors look very close, but the patteren on the nose is different than the ones I have seen. It is very close to our Panguana lamasi, but the strip thinckness and color for the picture don't really match the ones I have seen either. I would go with a morph of lamasi, but it is really hard to tell. More pictures would help, just from a few different angles.
Both pictures are of D. lamasi panguana
this frog used to be called imitator panguana or ventrimaculatus panguana but recent studies showed that they are actually D. lamasi. A highland form of D. lamasi actually.
If you take a look at the underside of these frogs you can see the vanzolinii belt clearly just like common lamasi have. This also shows that these are very close related to species like vanzolinii and flavovittatus which also show this belt.
This frog is a Lamasi "Panguana". It's also called lowland Lamasi.
It has been called imitator "panguana" but should be called lamasi, but my papers says imitator "panguana". The call is almost identical with imitators and some of them even have the splitted nose spots, but it is behaving like a lamasi. Especially the tadpole has the markings that only lamasi has.
after what I heard it's very hard to do DNA exams of the dartfrogs since they don't know all DNA information about them. Tor Lindbo (i'm not 100% sure it was him) told once that you can more or less get the information to fit the results you want it to have.
Anyway, I'm 99,9% sure that lamasi and imitator/lamasi "panguana" is 2 versions of lamasi. They behave the same in my eyes, and they are also very friendly frogs. You can keep them in big groups as long as there is enough space and there is enough of hiding spots. I have one tank with 7 panguanas in and they have started to breed also.