It is found throughout the Maroni, Mana, and Sinnamary river basins, which defines its range within Suriname and French Guiana.

Originally documented in a guide to the freshwater fishes of French Guiana published in 1996, B. florenceae was not officially named until 2021.

[1] This places it slightly to the larger side of the genus Bryconops, though all members are of a similar size (within a roughly 3cm range).

There is an isolated blotch of dark pigment near the base of the upper lobe, and the distal regions of the fin are left pale.

[8] However, research by Oliveira et al. regarding the phylogeny of various characin species prompted that Bryconops be moved to the family Iguanodectidae; it was placed there alongside the genera Iguanodectes and Piabucus.

Its first appearance was in the book "Atlas des Poissons d'eau douce de Guyane (tome 1)", by Paul Planquette et.

Nonetheless, it may be the case that B. florenceae ends up as one of several Bryconops species threatened by human activity, such as illegal mining or farmland settlement.