Gould's Gudgeon and Similar Species
Hypseleotris Gouldii
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Open the appSeveral fish can be confused with Gould's Gudgeon. Here are the key differences.
Species often confused with {name}
Western Pygmy Perch
Nannoperca vittata
Key differences: Western Pygmy Perch typically have a deeper body, a more pronounced lateral line, and often more distinct vertical banding or blotches. Their dorsal fin is single and deeply notched, unlike the two separate dorsal fins of Gould's Gudgeon.
Other Hypseleotris species
Various Hypseleotris spp.
Key differences: Distinguishing Gould's Gudgeon from other Hypseleotris species (e.g., H. galii, H. compressa) often requires careful examination of fin ray counts, scale counts, and specific morphological ratios, as well as geographic location. H. gouldii is geographically restricted to southwestern WA, while others are found elsewhere in Australia.
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