Fish Active during the day

Fantail Mullet

Paramugil georgii

iNaturalist

With its shimmering silver scales and iconic fan-shaped tail, the Fantail Mullet is the acrobatic star of Australia's coastal waterways. Watch them skip across the surface and explore the hidden life of our estuaries.

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Quick Identification

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Size

Typically 20–30 cm (8–12 inches) in length; maximum weight approximately 0.5 kg (1.1 lbs).

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Colors

Bright silver flanks and belly with a olive-grey or brownish back. Fins are generally translucent to grey.

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Key Features

Distinctively large, fan-shaped caudal (tail) fin
Small, pointed head with a terminal mouth
Dark spot often visible at the base of the pectoral fin
Deeply compressed body compared to other mullet species

When You’ll See Them

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Activity pattern Active during the day

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Peak hours High tide periods during daylight hours

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Season Year-round

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Diet A detritivore that feeds by sucking up mouthfuls of surface mud and sand, filtering out organic detritus, algae, and tiny invertebrates through its specialized gill rakers.

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Habitat Primarily found in brackish estuaries, mangrove-lined creeks, and shallow coastal bays with muddy or sandy bottoms.

public Geographic range

Where Does the Fantail Mullet Live?

The Fantail Mullet is native to the Oceania region, specifically found along the eastern and northern coasts of Australia. Its core range spans from the tropical waters of the Northern Territory and Queensland down through the temperate estuaries of New South Wales. Unlike some migratory fish, this species tends to remain within its local estuarine systems for its entire life cycle, favoring the sheltered waters of the continental shelf.

Basemap © OpenStreetMap contributors

1 Countries

1.5M km² Range

Least Concern Conservation

AU Australia

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iNaturalist / Verified observation data

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Behavior

The Fantail Mullet is a highly social fish, typically found in large, coordinated schools. These schools navigate the shallow margins of estuaries and mangrove forests, moving with the tides to access rich feeding grounds. They are well known for their agility and a peculiar jumping behavior, where individuals leap clear of the water surface, likely to escape predators, clear their gills of silt, or simply move quickly over obstacles in shallow water.

In terms of interaction with humans, they are generally wary and will scatter quickly if they sense vibrations or sudden movements. However, they are a common sight for coastal residents living near canals or tidal creeks. They play a vital role in the ecosystem as 'ecological vacuums,' cleaning the substrate of organic matter and providing a primary food source for larger predatory fish and wading birds like herons and egrets.

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Camera Tips

To capture high-quality footage of Fantail Mullet, you must account for the tidal nature of their habitat. If your property borders a canal or creek, mount your camera to a dock piling or a weighted tripod at a height that remains submerged during both low and high tides. Aim the lens at a 45-degree angle toward a sandy clearing between mangrove roots, as this is where the mullet often gather to sift through the sediment for food.

Mullet are not traditionally attracted to lures, but you can draw them into the camera's frame by using 'berley' or chum. A fine mixture of breadcrumbs, sand, and tuna oil creates a cloud of scent and particles that mimics a natural feeding opportunity. Place this attractant in a small mesh bag anchored directly in front of the lens. This will keep the school hovering in one spot, allowing your AI camera to trigger and record their social interactions.

For the best results, set your camera to a high frame rate (at least 60fps) to capture their rapid darting movements and the occasional jump. Lighting is key in murky estuarine water; try to position the camera so the sun is behind it, illuminating the silver scales of the fish. If using an AI-powered trail camera near the water's edge, ensure it is set to its highest sensitivity, as the silver flashes of the fish against a dark background are excellent triggers for motion sensors.

Regular maintenance is essential in saltwater environments. Check your camera every 3–4 days to wipe away algae or barnacle growth from the lens and sensors. Using a thin layer of specialized hydrophobic coating can help prevent salt crystals from blurring your shots once the tide recedes and the equipment is exposed to air.

Similar Species

Species that look similar or are commonly confused with Fantail Mullet.

Sea Mullet

Much larger (up to 75cm) with a more elongated, cylindrical body and a deeply forked tail.

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Frequently Asked Questions

Fantail Mullet are primarily diurnal, meaning they are most active during the day. However, their activity is dictated more by the tide than the sun; they are most frequently seen feeding and jumping during the rising tide as they move into shallow flats.

If you have a waterfront property, you can attract them using a fine 'berley' of breadcrumbs and fish oil. Because they are filter feeders, they are drawn to areas where fine organic particles are suspended in the water.

They eat organic detritus, microscopic algae, and small benthic organisms. They feed by scooping up sediment from the riverbed and filtering out the nutrients using their gill rakers.

Yes, they are very common in suburban canal estates and coastal towns along the East Coast of Australia. They adapt well to man-made structures like jetties and seawalls.

The easiest way is to look at the tail; the Fantail Mullet has a much broader, fan-like caudal fin. They are also generally smaller and have a deeper body shape compared to the more streamlined Sea Mullet.

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