Fishby LogoFishby

Monkey Goby and Similar Species

Neogobius fluviatilis

Got a photo? Identify fish instantly with the Fishby app.

Open the app

Several fish can be confused with Monkey Goby. Here are the key differences.

Species often confused with {name}

Round Goby

Neogobius melanostomus

Key differences: The Round Goby typically has a larger, more distinct black spot on the anterior-most ray of the first dorsal fin, whereas the Monkey Goby's spot is on the posterior upper part. The Monkey Goby also tends to have a more elongated body and a slightly different head shape. The lateral line scale count can also differ.

Tubenose Goby

Proterorhinus semilunaris

Key differences: The Tubenose Goby is distinguished by prominent tubular nostrils that extend over the upper lip, a feature absent in the Monkey Goby. It also generally has a more slender body and a different pattern of lateral line scales.

Racer Goby

Babka gymnotrachelus

Key differences: The Racer Goby has distinct dark, often diagonal, stripes or bands on its body, which are usually more pronounced and regular than the blotches seen on the Monkey Goby. It also lacks the prominent dorsal fin spot of the Monkey Goby.

Explore Monkey Goby

Identify fish anywhere

Free on iOS, Android, and Web. Photo identification, full species details, and more.

Open in app