4720 Neogobius fluviatilis (Pallas, 1814) Gobiidae Gobies Gobiinae Gobiiformes Teleostei Monkey goby Eurasia: Azov and Black Sea basins. Invasive in rivers of northern Black Sea basin, recorded in 1997 from middle Vistula (Poland), reaching from Dniepr via a navigation canal. In Danube upriver to Hungary, in Dniepr up to Belurus. Introduced in Lake Balaton, Hungary around 1970. P A0020.0515A0020.0518 41 N 36 E Neogobius fluviatilis AMNH 20461 1956 Gobius fluviatilis AMNH 20378 1956 Gobius fluviatilis AMNH 20539 1964 Gobius fluviatilis AMNH 20820 1965 Gobius fluviatilis 52 N 23 E 2006 Neogobius fluviatilis 52 N 24 E 2006 Neogobius fluviatilis 52 N 26 E 2006 Neogobius fluviatilis 52 N 28 E 2006 Neogobius fluviatilis 52 N 26 E 2006 Neogobius fluviatilis 52 N 28 E 2006 Neogobius fluviatilis 52 N 28 E 2006 Neogobius fluviatilis 51 N 29 E 2006 Neogobius fluviatilis 52 N 30 E 2006 Neogobius fluviatilis 51 N 30 E 2006 Neogobius fluviatilis 51 N 30 E 2006 Neogobius fluviatilis FB 2814053 2010 Neogobius fluviatilis FB 2814021 45 N 16 E 2010 Neogobius fluviatilis