Round Goby and Similar Species
Neogobius melanostomus
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Open the appSeveral fish can be confused with Round Goby. Here are the key differences.
Species often confused with {name}
Tubenose Goby
Proterorhinus semilunaris
Key differences: The Tubenose Goby has distinctive tubular nostrils that extend over its upper lip, which are absent in the Round Goby. It also lacks the prominent black spot on the dorsal fin.
Freshwater Drum
Aplodinotus grunniens
Key differences: While also bottom-dwelling, the Freshwater Drum is much larger, has a deeply notched dorsal fin, and lacks the fused pelvic fin and the distinct dorsal fin spot of the Round Goby.
Sculpins (various species)
Cottus spp.
Key differences: Sculpins have large heads and pectoral fins but lack the fused pelvic fin disc characteristic of gobies. Their bodies are typically more flattened, and they do not possess the black spot on the dorsal fin.
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