Corydoras sterbai (Sterba's cory)

Sterba's cory comes from Bolivia and Brazil, around the Rio Guaporé, and reaches about 6.5 cm. Wild fish are now hard to find; most in the trade are farm-bred.

It's one of the easiest Corydoras to spawn: keep two males per female and trigger them with a large, cooler water change. Eggs on the glass hatch in 3–5 days. Keep it at 24–28 °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 adolfoi (Adolfo's cory) · Pseudomugil gertrudae (spotted blue-eye) · Betta macrostoma (Brunei beauty) · Scarlet badis (Dario dario) · Celestial pearl danio (Danio margaritatus) · Boraras brigittae (mosquito rasbora).

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