Could you provide a much clearer image? I cannot see detail, such as whether it is a cyprinid (loaches are in this family) or a characin (Characidium species look like this).
Slightly better, I think this is a loach. but I could be easily convinced otherwise. Did the store (presumably that is where you saw it) not have some name? The scientific name would obviously settle it, assuming it is accurate, but even a common name might be suggestive.
Not helpful is it. You might take a look at the species pictured on Loaches Online to see if you can find it. You can do a pictorial species search, here:
I've no idea, I cannot see it clear enough to tell. By "loach" I was thinking of the linear cyprinids, from botine loaches through the siamese and false siamese algae eater and all those garra fish.
We do need a clearer photo but I fear it might be a Chinese algae eater. The underside of the head looks a bit like a sucker in the second photo. These fish are also known as sucking loaches.
@Whatfishisthis27 does the fish have a 'normal' mouth or a sucker mouth?