Hyphessobrycon callistus (Boulenger)

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Hyphessobrycon callistus is a freshwater, benthopelagic fish native to Brazil and distributed, today, across the Amazon, Guaporé and Paraguay River basins. It is frequently found in stagnant waters. This species is part of a complex of “blood” tetras, hybrids of which are commonly offered in the aquarium trade.