Flounder · Platichthys flesus

Flounder in the River Roding

Largest measured flounder: 27.4 cm

The largest flounder measured in Environment Agency surveys of the River Roding was 27.4 cm, recorded at Barking Creek - A13 road bridge on 13 July 1993.

Across 1,822 measured flounder, the median measured length was 6.2 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 Roding.

See flounder records across England →

Most recent observation23 July 2024Ilford Golf Course · 2 fish

Largest measured flounder: 27.4 cm
Median length: 6.2 cm
Fish measured: 1,822
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
27.4 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
23 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
21.2 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
21 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
20.9 cm	13 Jul 1993	Barking Creek - Six gates pool L/H Downstream	116814
20.6 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
20.4 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
20.1 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
20 cm	13 Jul 1993	Barking Creek - A13 road bridge	116812
19.8 cm	13 Jul 1993	Barking Creek - Six gates pool L/H Downstream	116814

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
Ilford Golf Course	7 Jun 1992	23 Jul 2024	7
Wanstead Park	24 May 1992	23 Nov 2004	3
Barking Creek - Mayes Brook confluence	30 Jul 1993	30 Jul 1993	1
Barking Creek - Six gates pool L/H Downstream	13 Jul 1993	13 Jul 1993	1
Barking Creek - A13 road bridge	13 Jul 1993	13 Jul 1993	1

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

1992–2024

Survey records by year

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

292

393

094

095

096

097

098

099

000

001

202

003

204

005

006

007

108

009

010

011

012

113

014

015

016

017

018

019

020

021

022

123

124

Fish measured by surveyors

Measured length distribution

See how the 1,822 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 5.2 cm
Median: 6.2 cm
Upper quarter: 7.1 cm
Largest: 27.4 cm

0–99 mm

1775

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Roding

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

Roach Dace Minnow Gudgeon Pike Chub

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 →