Parambassis bistigmata is a new species of the glass perch family Ambassidae so far known from the Ranga River, Arunachal Pradesh state, and the Umtrao River, Meghalaya state, northeastern India, both of which are tributaries within the Brahmaputra River watershed.

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Laubuca brahmaputraensis is a new species known only from the Brahmaputra River in Bangladesh. No specific type locality is provided in the paper other than ‘Brahmaputra River’, so the extent of its distribution is unclear, and live colouration is currently unknown.

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