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The round goby (Neogobius melanostomus) is a euryhaline bottom-dwelling species of fish of the family Gobiidae. It is native to Central Eurasia , including the Black Sea and the Caspian Sea . Round gobies have established large non-native populations in the Baltic Sea , several major Eurasian rivers, and the North American Great Lakes .
Round gobies are invading inland water from the Great Lakes, where they negatively impact ecosystems by eating the eggs of native fish. [17] The GRCA reports that round goby is present as far north in the watershed as Belwood Lake, [18] and the species has been detected in most of the systems surrounding Mill Creek. [19]
The round goby, or Neogobius melanostomu if you're into Latin, is an invasive fish species native to Central Eurasia, including the Black and Caspian seas.
Brachygobius sabanus has a very similar appearance to the other goby species in the Brachygobius genus, which all have relatively small bodies and distinctive black and yellow stripes. [6] Fish in the this genus, including B. sabanus, are more cylindrical towards the anterior end of the body, and more compressed towards the posterior end. [7]
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Neogobius pallasi (Berg, 1916) (Caspian sand goby) Of these, N. bathybius, N. caspius and N. pallasi are endemic to the Caspian basin. N. fluviatilis is a sister species of N. pallasi in the Black Sea basin. N. melanostomus, the round goby, is native to both basins, and is the most aggressively spreading fish to exotic watersheds.
Before the 1990s, the Lake Erie watersnake fed mostly on amphibians and native fish. However, in the 1990s, the round goby was introduced to Lake Erie, decimating native fish and amphibian populations. Today, the round goby accounts for 90% of the Lake Erie watersnake's diet. [4] [12]
The western tubenose goby is an invasive species but it has not spread to the extent of the round goby. The tubenose goby has the potential to threaten the natural species of the Great Lakes. Many native predatory fish feed on the tubenose goby which disrupts the native food webs of the Great Lakes [40]