Boraras brigittae (mosquito rasbora)

The mosquito rasbora, Boraras brigittae, comes from south-western Borneo and reaches about 2 cm. Its peat-swamp habitat is under threat from plantations and development.

It breeds in a dim, mossy tank in soft, acidic water (pH 5–6.5); eggs hatch in about two days. Keep it at 20–28 °C. See our guide to keeping tropical fish through a New England winter.

Part of our Rare aquarium fish. Also: Apistogramma cacatuoides (cockatoo dwarf cichlid) · Apistogramma agassizii · Apistogramma macmasteri · Endler's livebearer (pure strain) · Nothobranchius rachovii (bluefin killifish) · Aphyosemion australe (lyretail killifish) · Fundulopanchax gardneri (steel-blue killifish) · Corydoras sterbai (Sterba's cory) · Corydoras adolfoi (Adolfo's cory) · Pseudomugil gertrudae (spotted blue-eye) · Betta macrostoma (Brunei beauty) · Scarlet badis (Dario dario) · Celestial pearl danio (Danio margaritatus).

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