where is the round goby from
Round gobies are native to the Black, Caspian, Marmara, and Azov Seas and their tributaries in Eurasia. (Fuller, et al., 2007; Jude, 1995; Marsden and Jude, 1995; Pascualita, 2008; Sapota, 2006). Round gobies have been introduced in several areas outside of their native range.