Flounder · Platichthys flesus

Flounder in the River Woldgrift Subcatchment

Largest measured flounder: 20.9 cm

The largest flounder measured in Environment Agency surveys of the River Woldgrift Subcatchment was 20.9 cm, recorded at Washdyke Bridge on 21 November 2013.

Across 18 measured flounder, the median measured length was 7.5 cm.

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

See flounder records across England →

Most recent observation21 November 2013Washdyke Bridge · 3 fish

Largest measured flounder: 20.9 cm
Median length: 7.5 cm
Fish measured: 18
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
20.9 cm	21 Nov 2013	Washdyke Bridge	140214
18.1 cm	12 Jun 1995	Axletree Hurn STW	57674
17.7 cm	4 Oct 1995	Pump Station	57673
16.4 cm	21 Nov 2013	Washdyke Bridge	140214
13.7 cm	21 Nov 2013	Washdyke Bridge	140214
12.7 cm	15 Jun 1995	Trusthorpe Pump South	57676
7.8 cm	29 Sept 2011	Bambers Bridge South	128936
7.8 cm	29 Sept 2011	Bambers Bridge South	128936
7.5 cm	29 Sept 2011	Bambers Bridge South	128936
7.5 cm	29 Sept 2011	Bambers Bridge South	128936

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
Washdyke Bridge	21 Nov 2013	21 Nov 2013	1
Bambers Bridge South	29 Sept 2011	29 Sept 2011	1
Pump Station	4 Oct 1995	4 Oct 1995	1
Trusthorpe Pump South	15 Jun 1995	15 Jun 1995	1
Axletree Hurn STW	12 Jun 1995	12 Jun 1995	1

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

1995–2013

Survey records by year

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

395

096

097

098

099

000

001

002

003

004

005

006

007

008

009

010

111

012

113

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 7.1 cm
Median: 7.5 cm
Upper quarter: 13.5 cm
Largest: 20.9 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 River Woldgrift Subcatchment

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

3-spined stickleback Roach European eel Pike Rudd Perch

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 →