Bryconella
Bryconella pallidifrons is a species of characin found in the Amazon River basin of Brazil and Peru. It is the only member of its genus. B. pallidifrons is found in a freshwater environment at a pelagic depth range. This species is native to a tropical climate. It reaches a maximum length of about 2.3 cm or 0.9 in males or about 3.5 cm or 1.37 in for females. B. pallidifrons swims in small schools. References

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Pristellini
Monotypic fish genera
Fish of South America
Fish of Brazil
Fish of Peru