RiverFish

Perch · Perca fluviatilis

Perch in the River Tees

Largest measured perch: 40.6 cm

The largest perch measured in Environment Agency surveys of the River Tees was 40.6 cm, recorded at Temporal Coarse, Low Moor on 18 August 2005.

Across 2,314 measured perch, the median measured length was 11.1 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 Tees.

See perch records across England →

Most recent observation15 August 2025Temporal Coarse D/s Yarm - Leven Mouth · 5 fish
Largest measured perch
40.6 cm
Median length
11.1 cm
Fish measured
2,314
Survey locations
21

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
40.6 cm18 Aug 2005Temporal Coarse, Low Moor85884
40.4 cm14 Aug 2006Temporal Coarse, Low Moor101633
40.3 cm27 Aug 2014Temporal Coarse, Neasham142487
40.3 cm16 Sept 2002Temporal Coarse, Low Worsall72441
39.4 cm7 Sept 2016Temporal Coarse, Neasham149257
39.4 cm3 Sept 2001Temporal Coarse, Yarm24788
38.6 cm11 Aug 2025Temporal Coarse, Neasham177933
38 cm7 Sept 2015Temporal Coarse, Neasham146775
38 cm10 Sept 2001Temporal Coarse, Bassleton Beck - U/s pipe bridge25110
37.1 cm11 Aug 2025Temporal Coarse, Neasham177933

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
Temporal Coarse, Low Worsall16 Sept 200215 Aug 20257
Temporal Coarse D/s Yarm - Leven Mouth15 Aug 202515 Aug 20251
Temporal Coarse, Neasham15 Oct 201011 Aug 20259
Temporal Coarse, Low Moor18 Sept 20024 Aug 202519
SAP/BT Annual, Clow Beck - Monk End Farm10 Oct 200627 Oct 20153
SAP/BT Annual, Broken Scar13 Oct 199915 Oct 20144
Temporal Coarse, Low Haile Bridge20 Aug 201420 Aug 20141
Temporal Coarse, Blackwell Bridge20 Aug 201420 Aug 20141
Temporal Coarse, Middleton One Row22 Aug 200314 Oct 20107
Temporal Coarse, Aislaby3 Sept 200115 Sept 20105
Temporal Coarse, Bassleton Beck - U/s pipe bridge10 Sept 200114 Sept 20108
Temporal Coarse, Thornaby - U/s The Holmes6 Sept 200113 Sept 20108
SAP/BT Quin, Clow Beck, Aldbrough St John29 Jun 201029 Jun 20101
Spatial Coarse, Sockburn25 Sept 200625 Sept 20061
Spatial Coarse, Girsby25 Sept 200625 Sept 20061
SAP/BT Quin, Girsby25 Sept 200625 Sept 20061
Spatial Coarse, U/s A66 Bridge15 Sept 200615 Sept 20061
Spatial Coarse, U/s Tees Barrage13 Sept 200613 Sept 20061
Temporal Coarse, Broken Scar17 Sept 200316 Aug 20062
Temporal Coarse, Yarm3 Sept 200115 Aug 20053
Temporal Coarse, Egglescliffe - Leven Mouth12 Sept 200115 Aug 20055

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

1999–2025

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 2,314 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
8.6 cm
Median
11.1 cm
Upper quarter
14.3 cm
Largest
40.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tees

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

Brown / sea trout Bullhead Minnow Stone loach European eel 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 →