Best thick-lipped grey mullet lakes in United Kingdom
7 United Kingdom waters list thick-lipped grey mullet (official records or labelled estimates), 7 mapped with survey or official-chart depth data. Ranked below by size and depth-data quality, leading with the waters in our reviewed search catalog — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. A wary estuary grazer that cruises warm walls, mud margins, creek mouths and surface scum lines for algae and small invertebrates.
- Humber Lower — West to Haile Sand — 83 ft · Survey depth data · 43% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #1: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Blackwater Estuary — Inner and Middle — 48 ft · Survey depth data · 94% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, European PlaiceWhy #2: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Alde-Ore Estuary — 39 ft · Survey depth data · 92% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Orwell Estuary — 56 ft · Survey depth data · 92% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #4: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Colne Estuary — 37 ft · Survey depth data · 98% measured · real survey depth contours · European Seabass, Common Sole, European Plaice, Thick-lipped Grey MulletWhy #5: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Stour Estuary — 50 ft · Survey depth data · 89% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #6: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Great Ouse — King's Lynn to The Wash — 23 ft · Survey depth data · 96% measured · real survey depth contours · Atlantic Herring, European Flounder, European Seabass, Common SoleWhy #7: survey-backed contours receive the ranking's data-quality boost · 1 public access site
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How to use this ranking
The order is a map-planning ranking, not a claim about today's fish population. It favors larger mapped waters and gives survey-backed contours a three-times data-quality boost. Agency population surveys, current regulations, access and recent conditions should make the final decision.
Compare maximum depth across 37,233 lake records · See United Kingdom waters with public access data
When to fish thick-lipped grey mullet in United Kingdom
- Spring 1–15 ft — Use a quiet approach and light tackle around warming walls and mud margins.
- Summer 1–18 ft — Sight-fish individuals or small groups; heavy groundbait and tackle can spook them.
- Fall 2–22 ft — Focus on sheltered, sun-warmed reaches before fish move toward the coast.
- Winter 8–35 ft — Most mullet are scarce or inactive in cold estuary water; do not treat winter observations as a dependable fishery.
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Thick-lipped Grey Mullet elsewhere: France · Netherlands · Ireland · Denmark