RiverFish

Flounder · Platichthys flesus

Flounder in the River Piddle

Largest measured flounder: 29.7 cm

The largest flounder measured in Environment Agency surveys of the River Piddle was 29.7 cm, recorded at Baggs Mill on 1 July 2015.

Across 51 measured flounder, the median measured length was 20.6 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 Piddle.

See flounder records across England →

Most recent observation31 July 2025Baggs Mill · 4 fish
Largest measured flounder
29.7 cm
Median length
20.6 cm
Fish measured
51
Survey locations
1

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
29.7 cm1 Jul 2015Baggs Mill145245
29.6 cm1 Jul 2015Baggs Mill145245
29.6 cm22 Aug 2013Baggs Mill138513
29.2 cm4 Jul 2017Baggs Mill150857
27.9 cm1 Jul 2015Baggs Mill145245
26.9 cm22 Aug 2013Baggs Mill138513
26.4 cm22 Aug 2013Baggs Mill138513
26 cm1 Jul 2015Baggs Mill145245
25 cm4 Jul 2017Baggs Mill150857
24.8 cm22 Aug 2013Baggs Mill138513

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
Baggs Mill16 Aug 201131 Jul 20256

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

2011–2025

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 51 measured fish were spread across different length ranges.

Smallest
9 cm
Lower quarter
17.6 cm
Median
20.6 cm
Upper quarter
22.7 cm
Largest
29.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Piddle

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

Bullhead Minnow Brown / sea trout European eel Atlantic salmon Stone loach

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 →