Potamarius izabalensis ^ZBK Hubbs & Miller, 1960

Potamarius izabalensis ^ZBK Hubbs & Miller, 1960: 104, figs. 1-4. Type locality: Lago de Izabal, 1 mile west of El Paraiso, Guatemala. Holotype: USNM 134347. Paratypes: UMMZ 177251-52, 114500, 134346, 134348 and 179837.

Distribution: Lake Izabal and possibly Polochic River.

Countries: Guatemala.

Habitat: Freshwater.

Maximum size: 440 mm TL.

Material examined: UMMZ 177251 (1 al), Guatemala, lago Izabal near the mouth of rio Polochic; UMMZ 177252 (1 c&s), Guatemala, lago Izabal .