Girardinichthys viviparus ( Bustamante, 1837 )

López-Segovia, Eduardo, Pérez-Díaz, Jorge, Del Moral-Flores, Luis Fernando & Hernández-Arellano, Tao, 2024, New records on the distribution of the Mexclapique, Girardinichthys viviparus (Bustamante, 1837) (Cyprinodontiformes, Goodeidae), an endangered species in Mexico, Neotropical Biology and Conservation 19 (3), pp. 347-359 : 347-359

Girardinichthys viviparus ( Bustamante, 1837)

Figs 1 , 2 , 3

Material collected.

Mexico: CIFI 1505 , 21 ind., 20.9–36.5 mm SL, Atlangatepec Lake , Atlangatepec municipality, Atoyac River basin, 19 ° 32 ' 58.2 " N, 98 ° 10 ' 32.5 " W, 18 Feb 2019, Col. Perez-Díaz, J. ; CIFI 1708 , 31 ind., 21.5–48.2 mm SL, Tochac Lake , borderline of the municipality of Benito Juárez, Tlaxcala and San Antonio Atocha, Hidalgo, Moctezuma River basin, 19 ° 36 ' 58.3 " N, 98 ° 26 ' 46.2 " W, 20 Jun 2019, Col. Pérez-Díaz, J., Perez-Díaz, Y. A., Hernández-Arellano, T., López-Segovia, E. ; CIFI 1598 , 13 ind., 18.6–53.4 mm SL, Tenexac reservoir , Terrenate municipality, Tecolutla River basin, 19 ° 30 ' 03.6 " N, 97 ° 58 ' 50.6 " W, 7 Mar 2020, Col. Pérez-Huerta, J. A., Pérez-Díaz, J., López-Segovia, E. ; CIFI 1709 , 75 ind., 21.6–29.2 mm SL, Tenexac reservoir , Terrenate municipality, Tecolutla River basin, 19 ° 30 ' 05.5 " N, 97 ° 58 ' 51.4 " W, 18. Jul 2020, Col. Pérez-Díaz, J., Hernández-Arellano, T., Del Moral-Flores, L. F., López-Segovia, E. ; CIFI 1710 , 13 ind., 20.9–29.52 mm SL, " Jagüey ", near Atlangatepec Lake , Loma Bonita, Atlangatepec municipality, Atoyac River basin, 19 ° 31 ' 53.6 " N, 98 ° 12 ' 56.8 " W, 19 Jul 2020, Col. Pérez-Díaz, J., Hernández-Arellano, T., Del Moral-Flores, L. F., López-Segovia, E. ; CIFI 1711 , 7 ind., 17.9–31.2 mm SL, Atlangatepec Lake , Atlangatepec municipality, Atoyac River basin, 19 ° 33 ' 24.6 " N, 98 ° 12 ' 08.9 " W, 19 Jul 2020, Col. Pérez-Díaz, J., Hernández-Arellano, T., Del Moral-Flores, L. F., López-Segovia, E.

Figures

Figure 1. New records of Girardinichthys viviparus in Tlaxcala and current distribution in the basin of Mexico.

Figure 2. Specimens of Girardinichthys viviparus were collected in Tlaxcala (photographed in situ). Female (A) and male (B) specimens from Tenexac dam (CIFI 1598, 18.6–53.4 mm SL); male specimens (C, D) from the “ jagüey ”, Loma Bonita, Atlangatepec (CIFI 1710, 20.9–29.5 mm SL; female specimen (E) from Tochac Lake, (CIFI 1708, 21.5–48.2 mm SL); and male specimen (F) from Atlangatepec Lake (CIFI 1711, 17.9–31.2 mm SL). The scale bar: 1 cm.

Figure 3. Aquatic systems where Girardinichthys viviparus inhabits the state of Tlaxcala A Atlangatepec Lake B Tenexac Dam C Tochac Lake D “ Jagüey ” in the locality of Loma Bonita, Atlangatepec.