Monkey goby
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Gobiidae
- genus: Neogobius
- species: Neogobius fluviatilis
Balatonfenyves
Somogy
Hungary
Brańszczyk
Małkinia Górna
Mazovia
Ciechanowiec
Drohiczyn
Podlasie
Poland
Kladovo
Novi Beograd
Obrenovac
Stari Grad
Veliko Gradište
Čukarica
Šabac
Central Serbia
Serbia
Tutrakan
Istria