RiverFish

Perch · Perca fluviatilis

Perch in the River Welland

Largest measured perch: 41 cm

The largest perch measured in Environment Agency surveys of the River Welland was 41 cm, recorded at Upstream Harringworth Viaduct on 19 July 2000.

Across 3,199 measured perch, the median measured length was 8 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 Welland.

See perch records across England →

Most recent observation16 October 2024Hudds Mill Downstream Weir (main channel) · 15 fish
Largest measured perch
41 cm
Median length
8 cm
Fish measured
3,199
Survey locations
47

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
41 cm19 Jul 2000Upstream Harringworth Viaduct73119
40 cm20 Jun 1990Upstream Wakerly Road Bridge54231
38.8 cm23 May 2007Blackgate105600
38.4 cm2 Sept 2009Downstream Tinwell weir120668
37.8 cm27 Aug 2009Hudds Mill Downstream Weir (main channel)118669
37 cm2 Oct 1990Upstream A16 Road Bridge54242
35.8 cm2 Sept 2009Downstream Tinwell weir120668
35.5 cm20 May 2010Blackgate123201
35 cm15 Aug 2000Blackgate73093
35 cm19 Jul 2000Upstream Harringworth Viaduct73119

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
Hudds Mill Downstream Weir (main channel)27 Aug 200916 Oct 20244
Stamford Meadows21 Jun 199015 Oct 202417
Sandy Lane7 Jun 199310 Oct 202417
Blackgate16 May 198425 Oct 201716
Downstream Duddington Road Bridge9 Jul 199021 Sept 201715
Downstream Uffington13 Aug 197925 Oct 20164
Downstream Tinwell weir2 Sept 200914 Oct 20163
Upstream Wakerly Road Bridge20 Jun 19906 Oct 20166
Downstream Lolham Bridge10 Oct 201410 Oct 20141
Upstream Welham Road Bridge8 Jun 19909 Oct 20147
Thorpe by Water2 Jul 20142 Jul 20141
Downstream Gretton Road Bridge4 May 199313 May 20144
Upstream Great Bowden Road Bridge25 May 19908 May 20144
Upstream Ashley Gauging Weir16 Apr 201416 Apr 20141
300 yard Downstream Ashley Gauging Weir21 May 200814 Apr 20142
Downstream Harringworth Road Bridge9 Apr 20072 May 20133
Right Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Wherry's Mill25 Jun 200825 Jun 20081
Upstream Lubenham Road Bridge22 May 19905 May 20086
Downstream Rockingham Road Bridge3 Aug 20063 Aug 20061
Downstream Bringhurst Road Bridge3 Aug 20063 Aug 20061
Downstream Four Mile Bar Road Bridge20 Sept 200020 Sept 20001
New Road End16 Jul 19967 Sept 20002
Upstream Crowland Road Bridge6 Sept 20006 Sept 20001
Upstream Harringworth Viaduct15 May 199619 Jul 20002
Downstream STW Market Harborough23 May 199021 Jun 20003
Market Harborough Upstream Road Bridge21 Apr 199323 May 20003
Wisbech Road10 Jun 199324 Sept 19962
Downstream Clay Lake Bridge9 Jun 199318 Sept 19962
Welland Yacht Club11 Oct 199017 Sept 19962
Deeping Runup23 Jul 199623 Jul 19961
Downstream Crowland Bridge12 Oct 199022 Jul 19963
Peg 3971 Jun 199311 Jul 19962
Downstream Hudds Mill - back channel19 Jun 199619 Jun 19961
Upstream Bringhurst Road Bridge13 May 199613 May 19961
Upstream Ashley Road Bridge9 May 19969 May 19961
Peg 21629 Jun 199329 Jun 19931
No 2 Clay Lake28 Jun 199328 Jun 19931
Tallington Mill Upstream10 Jul 199014 May 19932
Downstream Gunthorpe Road Bridge3 Oct 199028 Apr 19932
Upstream A16 Road Bridge2 Oct 19906 Apr 19932
Peg 45018 Oct 199018 Oct 19901
Downstream High Locks30 Aug 199030 Aug 19901
Downstream Collyweston Road Bridge14 Mar 198314 Mar 19831

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

1979–2024

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 3,199 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
7 cm
Median
8 cm
Upper quarter
11 cm
Largest
41 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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

Pike Dace European eel Roach Gudgeon Chub

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 →