Cool little fish! Unfortunately they get mislabeled pretty often and mixed up allowing them to hybridize which is frustrating. It's hard to be certain, but those do look quite a bit like Boraras urophthalmoides aka Exclamation point rasboras (the micros have their own genus of Boraras now, fun anagram) and I'd have to agree with your assessment
However B. merah and B. brigittae (Phoenix and Mosquito/Chilli) can look very similar, especially when young
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