Flounder · Platichthys flesus

Flounder in the Lincolnshire Lakes

Largest measured flounder: 26.6 cm

The largest flounder measured in Environment Agency surveys of the Lincolnshire Lakes was 26.6 cm, recorded at Pioneer A.C. Lake Site 2 on 2 April 1986.

Across 13 measured flounder, the median measured length was 21.7 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Lincolnshire Lakes.

See flounder records across England →

Most recent observation21 January 1998Louth Canal Refuge · 2 fish

Largest measured flounder: 26.6 cm
Median length: 21.7 cm
Fish measured: 13
Survey locations: 5

Individual EA measurements

Largest measured flounder

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
26.6 cm	2 Apr 1986	Pioneer A.C. Lake Site 2	69372
26.6 cm	2 Apr 1986	Pioneer A.C. Lake Site 1	69366
25.3 cm	21 Jan 1998	Louth Canal Refuge	69483
24.1 cm	29 Apr 1987	Barton Broads	69407
22.9 cm	30 Sept 1986	Hoe Hill Lake	69375
21.8 cm	21 Jan 1998	Louth Canal Refuge	69483
21.7 cm	29 Apr 1987	Barton Broads	69407
21.6 cm	29 Apr 1987	Barton Broads	69407
21.3 cm	28 Apr 1987	Barton Broads	69406
19.1 cm	27 Apr 1987	Barton Broads	69405

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where flounder were found

Each point marks a survey location with at least one flounder record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyed	First recorded	Last recorded	Visits finding flounder
Louth Canal Refuge	21 Jan 1998	21 Jan 1998	1
Barton Broads	27 Apr 1987	29 Apr 1987	3
Hoe Hill Lake	30 Sept 1986	30 Sept 1986	1
Pioneer A.C. Lake Site 2	2 Apr 1986	2 Apr 1986	1
Pioneer A.C. Lake Site 1	2 Apr 1986	2 Apr 1986	1

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1986–1998

Survey records by year

Each bar shows how many survey visits recorded flounder that year.

386

387

088

089

090

091

092

093

094

095

096

097

198

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest: 13 cm
Lower quarter: 19.1 cm
Median: 21.7 cm
Upper quarter: 24.1 cm
Largest: 26.6 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lincolnshire Lakes

Compare other species with enough survey and measurement data for a detailed page.

Roach Perch Rudd Common carp Common bream Tench

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →