RiverFish

Perch · Perca fluviatilis

Perch in the River Molesey - Teddington

Largest measured perch: 43.7 cm

The largest perch measured in Environment Agency surveys of the River Molesey - Teddington was 43.7 cm, recorded at Molesey - Thames Ditton Island, Upper Main Channel on 11 September 2015.

Across 723 measured perch, the median measured length was 14.2 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 Molesey - Teddington.

See perch records across England →

Most recent observation31 July 2025Molesey - Thames Ditton Island, Upper Main Channel · 4 fish
Largest measured perch
43.7 cm
Median length
14.2 cm
Fish measured
723
Survey locations
4

Individual EA measurements

Largest measured perch

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

LengthSurvey dateSurvey locationSurvey ID
43.7 cm11 Sept 2015Molesey - Thames Ditton Island, Upper Main Channel146409
41.6 cm14 Sept 2005Surbiton Intake to Kingston86763
41.5 cm16 Sept 2009Molesey - Thames Ditton Island, Upper Main Channel119025
41 cm16 Sept 2009Surbiton Intake to Kingston119785
40.2 cm23 Jul 2024Molesey Weir Pool165847
40 cm14 Sept 2007Molesey Weir Pool106755
39.7 cm9 Sept 2016Molesey - Thames Ditton Island, Upper Main Channel149695
39.4 cm14 Sept 2011Molesey - Thames Ditton Island, Upper Main Channel128000
38.1 cm15 Sept 2006Molesey Weir Pool101378
38.1 cm14 Sept 2005Surbiton Intake to Kingston86763

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 perch
Molesey - Thames Ditton Island, Upper Main Channel1 Sept 199531 Jul 202521
Molesey Weir Pool1 Sept 199523 Jul 202420
Surbiton Intake to Kingston1 Sept 199516 Sept 20095
Molesey Back Weir10 Sept 200310 Sept 20031

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

1995–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 723 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
8.8 cm
Median
14.2 cm
Upper quarter
18.2 cm
Largest
43.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Molesey - Teddington

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

Roach Chub Pike Dace Bleak Gudgeon

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 →