Characidium chicoi da Graça, Ota & Domingues, 2019: 1481, fig. 1.

Paratypes: 5 lots, 28 specimens —NUP 21237, 6, 17.1–18.7 mm SL: Brazil, Mato Grosso, Itiquira, rio Comprido, tributary of the rio Correntes, rio Paraguai basin, 17°32’4.4”S, 54°25’38.9”W, Nupélia staff, 15 Mar 2019 . NUP 21238, 4, 15.2–18.0 mm SL: same locality and collectors as previous, 31 Aug 2018 . NUP 21239, 13, 14.9–17.2 mm SL: same locality and collectors as previous, 12 Feb 2019 . NUP 21284, 1 c&s, 18.7 mm SL: same locality and collectors as previous, 31 Aug 2018 . NUP 21285, 4 c&s, 16.4–17.0 mm SL: same locality and collectors as previous, 12 Feb 2019 .