Flounder · Platichthys flesus

Flounder in the Main River Axe

Largest measured flounder: 20.3 cm

The largest flounder measured in Environment Agency surveys of the Main River Axe was 20.3 cm, recorded at Riverside Farm (Te) on 4 July 2013.

Across 6 measured flounder, the median measured length was 14.7 cm.

Surveyors recorded weights for 2 flounder. The median was 0.6 oz (0.016 kg) and the largest recorded weight was 0.8 oz (0.024 kg).

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

See flounder records across England →

Most recent observation4 July 2013Riverside Farm (Te) · 3 fish

Largest measured flounder: 20.3 cm
Median length: 14.7 cm
Fish measured: 6
Survey locations: 3

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
20.3 cm	4 Jul 2013	Riverside Farm (Te)	137013
18.8 cm	4 Jul 2013	Riverside Farm (Te)	137013
17.5 cm	4 Jul 2013	Riverside Farm (Te)	137013
11.8 cm	1 May 1991	Batch End Farm	82153
8.8 cm	29 Apr 1991	Brean Cross	82157
7.9 cm	1 May 1991	Batch End Farm	82153

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
Riverside Farm (Te)	4 Jul 2013	4 Jul 2013	1
Batch End Farm	1 May 1991	1 May 1991	1
Brean Cross	29 Apr 1991	29 Apr 1991	1

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

1991–2013

Survey records by year

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

291

092

093

094

095

096

097

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 7.9 cm
Lower quarter: 9.6 cm
Median: 14.7 cm
Upper quarter: 18.5 cm
Largest: 20.3 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 flounder. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.3 oz (0.008 kg)
Lower quarter: 0.4 oz (0.012 kg)
Median: 0.6 oz (0.016 kg)
Upper quarter: 0.7 oz (0.02 kg)
Heaviest: 0.8 oz (0.024 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main River Axe

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

Roach Gudgeon Pike European eel 3-spined stickleback 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 →