Characidium dumonti, Stabile & dos Reis & de Oliveira, 2025

Stabile, Bruno H. M., dos Reis, Weferson J. da Graça Renan B. & de Oliveira, Alessandra V., 2025, A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil, Journal of Fish Biology 107 (2), pp. 454-465 : 456

3.1 | Characidium dumonti , sp. nov.

urn:lsid:zoobank.org:pub:1CA65975-F89B-4E17-A8BD-F3A233C1388F .

urn:lsid:zoobank.org:act:F02CFC3A-EC08-4DD4-9555-FD22D0C7D230 .

Characidium sp. 1 . Larentis et al. (2016): 5 (checklist from streams of the lower IguaÇu River basin; partim: CIG 1410). Table 1 in p. 5.

Holotype: NUP 25700, 49.9 mm L S, Foz do IguaÇu , Paraná State, Brazil, Córrego Carlos Giovanni , tributary of Rio Sao ˜Joao ˜, Rio IguaÇu basin, Lower Rio Paraná, 25 36 0 47.3 00 S, 54 25 0 52.2 00 W, 16 September 2023, B. H. M. Stabile, R. B. Reis, M. Z. Roloff, C. E. V. Grou, L. D. Lima, S. K. Utiyama & N. P. Lopes (Figure 1).

Paratype: All from Brazil, Paraná State, tributary of Rio Sao ˜Joao ˜, Rio IguaÇu basin, Lower Rio Paraná, municipality of Foz do IguaÇu :

MCP 55324 , 3 , 39.3–49.6 mm L S, Córrego Carlos Giovanni, 25 36 0 46.4 00 S, 54 25 0 55.8 00 W, 18 April 2010 , GERPEL staff. MZUEL 23751 , 3 , 38.0– 51.7 mm L S, same data as MCP 55324. NUP 18068, 3, 34.8–40.6 mm L S, unknown name stream, 25 37 0 20.0 00 S, 54 26 0 53.0 00 W, 25 November 2014 , GERPEL staff. NUP 24851, 1, 44.7 mm L S, mol, same data as holotype. NUP 25044, 1, 43.5 mm L S, mol, same data as holotype. NUP 25445, 4, 36.7–56.4 mm L S, same data as MCP 55324. NUP 25446, 4, 31.4–37.6 mm L S, Córrego Carlos Giovanni, 25 36 0 44.9 00 S, 54 25 0 53.7 00 W, 30 August 2010 ,

GERPEL staff. NUP 25699, 2 (c&s), 38.4–45.07 mm L S, same data as NUP 18068.