varii, Electrophorus de Santana [C. D.], Wosiacki [W. B.], Crampton [W. G. R.], Sabaj [M. H.], Dillman [C. B.], Mendes-Júnior [R. N.] & Castro e Castro [N.] in de Santana, Crampton, Dillman, Frederico, Sabaj et al. 2019:6, Figs. 2c, 3, 6 [Nature Communications v. 10: 4000; ref. 36958] Goiapi River, Marajó Island, Pará, Brazil. Holotype: MPEG 25422. Paratypes: INPA, MHNG, MPEG. •Valid as Electrophorus varii de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e Castro 2019 -- (Craig et al. 2019:19 [ref. 37060] in Electrophorinae, Koerber et al. 2022:43 [ref. 39235], Limeira-Filho et al. 2024:6 [ref. 41573]). •Synonym of Electrophorus multivalvulus Nakashima 1941 -- (Torgersen et al. 2023:778 [ref. 40692]). Current status: Valid as Electrophorus varii de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e C. 2019. Gymnotidae: Electrophorinae. Distribution: South America: Amazon basin (Brazil, Ecuador, Venezuela, Colombia, Peru and Bolivia), Approuague River drainage (French Guiana), and coastal rivers of northeastern Brazil. Habitat: freshwater.