posted on 2024-02-15, 18:29authored byAndressa S. Gonçalves, André L. Netto-Ferreira, Samantha C. Saldanha, Ana C. G. Rocha, Suellen M. Gales, Derlan J. F. Silva, Daniel C. Carvalho, João B. L. Sales, Tibério C. T. Burlamaqui, Jonathan S. Ready
a) Bryconops (B.) caudomaculatus (Manaus—dark Blackwaters); b) Bryconops (B.) caudomaculatus (S Guiana shield—lighter Blackwaters); c) Bryconops (B.) caudomaculatus (Coastal—lighter Blackwaters); d) Bryconops (B.) rheorubrum (Xingu—Clearwaters and turbid waters).