Flathead Mullet
Flathead mullet — known locally as lisa — are a staple of Chile's small-scale artisanal fisheries along the central coast.
They move through estuaries, river mouths, and shallow coastal flats, and while they're primarily a commercial and subsistence fish, shore anglers do target them.
Their cautious, detritus-grazing feeding style makes them a genuine technical challenge on light tackle.
Scientific Name: Mugil cephalus
Also known as Lisa, lisa común, pardete
- Olive-green to blue-green back fading to silvery flanks and a white belly, with six or seven faint horizontal stripes formed by streaked scales.
- Broad, flattened head with thin lips and well-developed adipose eyelids that partially cover the pupils — a reliable field mark.
- No scales extending onto the dorsal or anal fins; eight soft anal fin rays — both features distinguish it from the white mullet (Mugil curema).
- Typical fish run 20–30 inches; larger individuals can reach 39 inches and push 8 kg (about 18 lbs), though most caught from shore are well under that.
What to know
Habitat Distribution
- Native to the Eastern Pacific from California south to Chile; present along Chile's central coast in coastal and estuarine waters.
- Moves freely between saltwater, brackish estuaries, and the lower reaches of rivers — tolerates a wide salinity range.
- Schools over sand and mud bottoms in shallow water, typically less than 10 meters, often right in the surf zone or estuary shallows.
- An important resource for artisanal fisheries operating in coastal areas and estuaries off central Chile.
Key Locations
- Central Chile coast — estuaries and river mouths along the central Chilean coastline are the core habitat for artisanal mullet fisheries.
- Coastal estuaries of central Chile — tidal mixing zones where rivers meet the Pacific are where schools concentrate and where most fishing effort occurs.
Specific Spots
- Estuary mouths and tidal channels — mullet follow tidal flow in and out, feeding on algae and detritus stirred up by current over mud and sand.
- Shallow sandy flats adjacent to river mouths, where schools graze along the bottom; look for surface disturbance or fish visibly jumping.
- Current edges where fresh and salt water mix — mullet stage here, especially on an incoming tide.
- Calm backwater pockets inside estuaries, away from heavy surf, where detritus accumulates and schools linger to feed.
Flathead Mullet FAQ
Answers from onWater's species guide.
What are the best lures and bait for Flathead Mullet?
Small pieces of bread, dough balls, or soft paste baits on a size 8–10 hook are the most reliable bait worldwide, including in Chilean estuaries, match the chum you're throwing.
What flies work for Flathead Mullet?
Bread flies, small, sparse patterns tied with white foam, deer hair, or CDC to float or sink slowly, are the go-to for surface-feeding or chummed mullet; they imitate the bread fragments used as chum.
When is the best time to fish for Flathead Mullet?
Spring and summer (September–February), warmer water temperatures bring mullet into estuaries and river mouths in greater numbers along the central coast. Autumn (March–May), fish remain accessible in estuaries before cooler water pushes them back toward more open coastal areas.
How do you catch Flathead Mullet?
Shore-based fishing is the norm, working estuary mouths and tidal flats on an incoming tide. Chumming with bread crumbs to draw and hold a school, then presenting a small baited hook or bread fly on light tackle, is the most effective approach. Stealth matters, mullet are easily spooked in shallow, clear water.
What do Flathead Mullet eat?
Adults graze primarily on microalgae, dead plant matter, and detritus scraped from the bottom, not a predatory fish. This bottom-grazing habit means conventional lures rarely work; small baited hooks or dough-style baits are far more effective.
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