Apistogramma agassizii

Apistogramma agassizii ranges across the Amazon and Solimões basin, from the Ucayali in Peru to the Capim in Brazil. Males reach about 7.5 cm, females 5 cm. Several geographic colour forms exist, and some may be separate species.

Wild fish come from extremely soft, acidic water and some populations may need a very low pH to breed; tank-raised fish are more tolerant and suit community tanks. The female guards eggs and fry in a cave. Keep it at 22–29 °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 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) · Boraras brigittae (mosquito rasbora).

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