Australian Mudskipper and Similar Species
Periophthalmus australis
Got a photo? Identify fish instantly with the Fishby app.
Open the appSeveral fish can be confused with Australian Mudskipper. Here are the key differences.
Species often confused with {name}
Giant Mudskipper
Periophthalmodon schlosseri
Key differences: P. schlosseri is generally much larger (up to 27 cm TL), has a more robust body, and typically possesses a single, continuous dorsal fin (though sometimes deeply notched) or two very close-set dorsal fins. P. australis has two clearly separated dorsal fins and is smaller.
Barred Mudskipper
Periophthalmus argentilineatus
Key differences: P. argentilineatus often has distinct dark bars or stripes on its flanks and a more pointed snout. Its first dorsal fin usually has a black margin with a white submarginal band. P. australis typically has a more mottled pattern and a less pronounced barring, and its first dorsal fin coloration differs.
Gold-spotted Mudskipper
Periophthalmus chrysospilos
Key differences: P. chrysospilos is characterized by numerous small, iridescent blue or gold spots on its body and fins. P. australis lacks these prominent spots.
Explore Australian Mudskipper
Identify fish anywhere
Free on iOS, Android, and Web. Photo identification, full species details, and more.