is this fish(monkey goby)invasive or damaging to the Mediterranean

Invasive alien species. They have come… to stay - Periérgeia

Salinity tolerance of the invasive round goby: Experimental implications for seawater ballast exchange and spread to North American estuaries - ScienceDirect

Neogobius fluviatilis (monkey goby)

Species hi-res stock photography and images - Alamy

Round Goby - NYSDEC

PDF) Review of invasive Ponto-Caspian gobiids: current range and history of expansion

Round Goby – Profile and Resources

Monkey Goby (Fish of Serbia - guide) · iNaturalist

366 best #monkey images on Pholder

Lionfish begin invasion into Mediterranean Sea: Cyprus already colonised - SCUBA News