Photographs of living specimens of brown-colored Atractus occurring along the Amazonian slopes of the Andes in Ecuador a A. arangoi ZSFQ 4948 from Jatun Sacha Biological Reserve, Napo province, Ecuador b A. resplendens ZSFQ 4953 from Montañas de San Antonio, Tungurahua province, Ecuador c A. duboisi from Orito Yacu, Napo province, Ecuador d A. discovery sp. nov. ZSFQ 4936 from Amaluza, Azuay province, Ecuador e A. orcesi ZSFQ 2234 from El Higuerón, Sucumbíos province, Ecuador f A. pachacamac from Nangaritza, Zamora Chinchipe province, Ecuador g A. zgap sp. nov. ZSFQ 4946 from Santa Rosa, Napo province, Ecuador h A. occipitoalbus JMG-2077 from Macas, Morona Santiago province, Ecuador i A. major from Jatun Sacha Biological Reserve, Napo province, Ecuador; and j A. major from Reserva Natural Palmarí, Amazonas state, Brazil (photo by Sebastián Di Doménico).