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Flathead Gudgeon and Similar Species

Philypnodon grandiceps

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Several fish can be confused with Flathead Gudgeon. Here are the key differences.

Species often confused with {name}

Empire Gudgeon

Hypseleotris compressa

Key differences: The Empire Gudgeon has a more compressed body, a smaller head relative to its body, and often exhibits more vibrant coloration, especially in males during breeding. Its head is not as distinctly flattened as Philypnodon grandiceps.

Western Carp Gudgeon

Hypseleotris klunzingeri

Key differences: Western Carp Gudgeons are generally smaller, have a more slender body, and lack the pronounced flattened head of the Flathead Gudgeon. Their coloration is also typically less mottled and more uniform.

Dwarf Flathead Gudgeon

Philypnodon macrostomus

Key differences: The Dwarf Flathead Gudgeon is a much smaller species, rarely exceeding 4 cm in length, and has a proportionally larger mouth. While sharing the flattened head characteristic, its diminutive size is a key differentiator.

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