p Native Fish Australia

Flat-headed gudgeon

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Scientific Name
Philypnodon grandiceps

Other Common Names
Big-headed Gudgeon, Bull Head, Bull-headed Gudgeon, Collundera, Flathead Gudgeon, Yarra Gudgeon

Commonly 80 to 90 mm, up to 130 mm

Conservation Status
Common, widespread, rare in Tasmania

A bottom dwelling species.  Found in a wide variety of both freshwater and estuarine habitats, in still and flowing water, aspecially amongst thick cover.

Occurs throughout the Murray-Darling Basin and in coastal drainages in Victoria, Northern Tasmania, New South Wales and Queensland as far North as the Mackenzie River.

Breeds in Spring and Summer in inland waters, extending through to Winter in Northern coastal waters.  Female lays up to 900 elongate eggs which are attached to a solid object like a small rock in a single mass.  The eggs are around 2 mm long and less than 1 mm wide and are pointed at one end, blunt at the other.  The eggs hatch 4 to 6 days after laying and the larvae absorb the yolk sac in around 3 days.  The newly hatched larvae are about 3.8 mm inlength.

Small fishes, insects and crustaceans.

Not an angling species.

On the table
Not a table fish.

In the aquarium
Does well in an aquarium, but will prey on other fish and smaller members of its own species.  Has been bred in captivity.