We examine the evolving concept of what constitutes a non‐native (or alien) freshwater fish.
In an attempt to distinguish between biogeographical and socio‐political perspectives, we …

The distributions of invasive Neogobius species were investigated in the Slovak section of
the River Danube from Bratislava downstream to the village of Chl'aba. During October …

We examined the abundance and meso‐habitat use of gobiid species during both day and
night along 43 stretches (500‐m long) of the littoral zone at five locations of the Middle …

Since 2006, three invasive Gobiids from the Ponto-Caspian area established in the River
Rhine and their abundances nowadays regularly exceed 80% of the fish community …

The ages of 8 to 23· 5 cm total length (LT) round goby Neogobius melanostomus collected
monthly during 2006 and 2007 in the Gulf of Gdańsk (Baltic Sea) ranged from 2 to 6 years …

Abstract The Ponto-Caspian fish species, tubenose goby Protherorhinus marmoratus, was
recorded for the first time in Poland. Six specimens were captured during April 2008 from rip …

Invasions of Ponto-Caspian fish species into north-western European river basins
accelerated since the opening of the Rhine–Main–Danube Canal in 1992. Since 2002, at …

The monkey goby (Neogobius fluviatilis) is one of the Ponto-Caspian species that in recent
decades made substantial East-to-West invasions in European inland waters. Now the …

The invasive round goby (Neogobius melanostomus, Pallas, 1814) has increased its
European range dramatically over recent decades, with international shipping suspected as …

The initial ontogeny of black prochilodus (Prochilodus nigricans Spix & Agassiz 1829) was
described through morphological, meristic and morphometric characters. The biological …