RiverFish

Perch · Perca fluviatilis

Perch in the River Sow

Largest measured perch: 39.5 cm

The largest perch measured in Environment Agency surveys of the River Sow was 39.5 cm, recorded at Upstream St Thomas Mill on 12 May 2004.

Across 898 measured perch, the median measured length was 12 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 Sow.

See perch records across England →

Most recent observation2 April 2026Doxey Marshes · 1 fish
Largest measured perch
39.5 cm
Median length
12 cm
Fish measured
898
Survey locations
13

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
39.5 cm12 May 2004Upstream St Thomas Mill80127
38.1 cm13 May 2004Shugborough88649
37 cm14 Apr 2004Chebsey79650
33.5 cm17 May 2006Sea Cadets, Riverway, Stafford90782
31.9 cm16 May 2006Upstream St Thomas Mill90773
31.9 cm25 Oct 1994Sea Cadets, Riverway, Stafford5034
31.3 cm20 Jun 2000Sea Cadets, Riverway, Stafford114495
31.2 cm25 Oct 1994Sea Cadets, Riverway, Stafford5034
31 cm23 Sept 2009Creswell Farm120073
30.1 cm13 Aug 2002Great Bridgeford114505

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
Doxey Marshes6 Nov 19912 Apr 20262
Great Bridgeford3 Jul 199019 Jun 202511
Upstream St Thomas Mill24 Nov 199123 Jul 20249
Sainsbury's, Stafford20 Jun 200010 Jul 20187
Shugborough13 May 20042 Jul 20152
Byanna Farm, Eccleshall7 Jun 19944 Jun 20158
Creswell Farm3 Jul 199019 Jul 201310
Sea Cadets, Riverway, Stafford15 Oct 199117 May 20064
Hillcote Hall7 Jun 199418 Apr 20063
Chebsey6 Jun 200018 Apr 20065
M6 Bridge8 Nov 199412 Apr 20063
Broadeye Stafford16 Oct 199116 Oct 19911
Eccleshall Castle7 Jul 19917 Jul 19911

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

1990–2026

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 898 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
7.9 cm
Median
12 cm
Upper quarter
16.9 cm
Largest
39.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sow

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

Chub Pike Gudgeon Bullhead Roach 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 →