Flounder · Platichthys flesus

Flounder in the Winterton Beck Subcatchment

Largest measured flounder: 29.2 cm

The largest flounder measured in Environment Agency surveys of the Winterton Beck Subcatchment was 29.2 cm, recorded at Winterton Tip Road on 3 September 1986.

Across 86 measured flounder, the median measured length was 6.4 cm.

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

See flounder records across England →

Most recent observation1 April 2015Winterton Tip Road · 1 fish

Largest measured flounder: 29.2 cm
Median length: 6.4 cm
Fish measured: 86
Survey locations: 2

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
29.2 cm	3 Sept 1986	Winterton Tip Road	57526
28.4 cm	3 Sept 1986	Winterton Tip Road	57526
28 cm	4 Sept 1986	Winteringham Village	57527
27.7 cm	3 Sept 1986	Winterton Tip Road	57526
27.3 cm	4 Sept 1986	Winteringham Village	57527
27 cm	4 Sept 1986	Winteringham Village	57527
26.9 cm	4 Sept 1986	Winteringham Village	57527
26.8 cm	4 Sept 1986	Winteringham Village	57527
26.6 cm	3 Sept 1986	Winterton Tip Road	57526
26.3 cm	3 Sept 1986	Winterton Tip Road	57526

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
Winterton Tip Road	3 Sept 1986	1 Apr 2015	2
Winteringham Village	4 Sept 1986	20 Sept 1995	3

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

1986–2015

Survey records by year

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

286

087

088

189

090

091

092

093

094

195

096

097

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

115

Fish measured by surveyors

Measured length distribution

See how the 86 measured fish were spread across different length ranges.

Smallest: 2.5 cm
Lower quarter: 5.1 cm
Median: 6.4 cm
Upper quarter: 23.1 cm
Largest: 29.2 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Winterton Beck Subcatchment

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

Stone loach 3-spined stickleback

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 →