RiverFish

Flounder · Platichthys flesus

Flounder in the River Northern Burns

Largest measured flounder: 15.5 cm

The largest flounder measured in Environment Agency surveys of the River Northern Burns was 15.5 cm, recorded at North Low at Bridge Mill farm. on 5 September 2016.

Across 7 measured flounder, the median measured length was 6.9 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 Northern Burns.

See flounder records across England →

Most recent observation25 September 2017South Low Downstream of Haggerston barns weir · 2 fish
Largest measured flounder
15.5 cm
Median length
6.9 cm
Fish measured
7
Survey locations
4

Individual EA measurements

Largest measured flounder

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

LengthSurvey dateSurvey locationSurvey ID
15.5 cm5 Sept 2016North Low at Bridge Mill farm.149306
7 cm1 Aug 2009North Low at Bridge Mill farm.119301
6.9 cm5 Sept 2016North Low at Bridge Mill farm.149306
6.9 cm1 Aug 2009North Low at Bridge Mill farm.119301
6.8 cm1 Aug 2009North Low at Bridge Mill farm.119301
5.8 cm25 Sept 2017South Low Downstream of Haggerston barns weir151736
5.7 cm25 Sept 2017South Low Downstream of Haggerston barns weir151736

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 surveyedFirst recordedLast recordedVisits finding flounder
South Low Downstream of Haggerston barns weir25 Sept 201725 Sept 20171
North Low at Bridge Mill farm.11 Jul 20025 Sept 20163
Fenham Burn28 Aug 201528 Aug 20151
South Low at Brockmill Farm17 Sept 201417 Sept 20141

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

2002–2017

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 7 measured fish were spread across different length ranges.

Smallest
5.7 cm
Lower quarter
6.3 cm
Median
6.9 cm
Upper quarter
7 cm
Largest
15.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Northern Burns

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

Brown / sea trout European eel 3-spined stickleback Stone loach Atlantic salmon

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 →