Sciades assimilis ( Günther, 1864)

Arius assimilis ^ZBK Günther, 1864: 146. Type locality: Lake Izabal, Guatemala. Holotype: BMNH 1864.1.26.98.

Distribution: Western Central America.

Countries: Mexico, Belize, Honduras, Guatemala, Nicaragua, Costa Rica and Panama.

Habitat: Predominantly freshwater, but also in brackish water.

Maximum size: 350 mm TL.

Material examined: AMNH 35070 (6 al, 146-260 mm TL) (1 c&s), Guatemala, Izabal, rio Nimblaja, 1 km above mouth into rio Sarstum; FMNH 103770 (3 al, 300-343 mm TL), Belize, Belizean Beach, 4.5 miles on western Highway; UMMZ 197214 (7 al, 184-252 mm TL) (1 c&s), Guatemala, Izabal, rio Nimblaja, 1 km above mouth in rio Sarstun, 3.5 km (by air) east of Modesto Mendez, elev ca 2 m, Atlantic dr .