Other Freshwater
Round Goby
Neogobius melanostomus
FreshwaterGobiidaeConsidered an invasive species in North America.
About
The round goby is a small, bottom-dwelling fish with a distinctive black spot on its dorsal fin. They are known for their aggressive behavior and ability to thrive in a variety of habitats, often outcompeting native species.
- Average size
- 4-10 inches
- Colors
- Tan, brown, or olive with dark brown or black mottling. Males darken during breeding season.
- Diet
- Invertebrates (e.g., insects, crustaceans, mollusks), small fish, and fish eggs.
- Region
- Great Lakes region, and spreading to other waterways in the US.