RiverFish

Perch · Perca fluviatilis

Perch in the River Kennet

Largest measured perch: 42.7 cm

The largest perch measured in Environment Agency surveys of the River Kennet was 42.7 cm, recorded at Bulls lock- Widmead lock on 24 October 2018.

Across 3,594 measured perch, the median measured length was 14.6 cm.

Surveyors recorded one individual weight: 4.8 oz (0.136 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Kennet.

See perch records across England →

Most recent observation9 October 2025Gunter Stream - Barton Court · 1 fish
Largest measured perch
42.7 cm
Median length
14.6 cm
Fish measured
3,594
Survey locations
38

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
42.7 cm24 Oct 2018Bulls lock- Widmead lock154060
42.3 cm27 Oct 2010Gaston Lock - Burghfield Mill125405
41.6 cm4 Nov 2008Bulls lock- Widmead lock115991
41 cm25 Oct 2004Waterside Farm82924
40.9 cm21 Oct 2004Bulls lock- Widmead lock82875
40.9 cm2 Apr 2003Waterside Farm75882
40.8 cm31 Oct 2012Lower Benyons134720
40.8 cm2 Nov 2007Bulls lock- Widmead lock108429
40.6 cm13 Oct 2005Waterside Farm87580
40.4 cm26 Oct 2010Lower Benyons125372

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
Gunter Stream - Barton Court9 Oct 20259 Oct 20251
Parliament Draft - Eel10 Oct 20231 Oct 20252
Priors Moor Ditch - Eel6 Oct 202325 Sept 20252
Northcroft - Eel10 Oct 202325 Sept 20253
Osier Bed Stream - Eel6 Oct 202319 Sept 20253
Northcroft Recreation Centre- West Mills1 Apr 200315 Nov 202419
Woolhampton - Salmon Cut.3 Apr 200313 Nov 202418
Burghfield27 Oct 200412 Nov 202417
May Road Stream11 Oct 202311 Oct 20231
Salmon Cut4 Nov 20084 Nov 202211
Foudry Brook to County Weir16 Apr 20032 Nov 202217
Fobney -Foudry Brook10 Apr 200328 Oct 201811
Gaston Lock - Burghfield Mill9 Apr 200327 Oct 201811
Bulls lock- Widmead lock2 Apr 200324 Oct 201811
Marsh Benham20 Oct 200422 Oct 201810
Willow Stream - Barton Court16 Mar 200417 Mar 201611
Hambridge11 Nov 20048 Oct 20158
Shenfield by-pass channel18 Sept 201518 Sept 20151
Downstream of Fraudes Marina6 Nov 20146 Nov 20141
Downstream Bulls Lock5 Nov 20145 Nov 20141
Padworth Back Channel9 Oct 20149 Oct 20141
Lower Benyons27 Oct 200431 Oct 20128
Fobney Island16 Mar 201116 Mar 20111
Upstream Padworth Bridge26 Nov 201026 Nov 20101
Pipe Stream - Wilderness16 Mar 200430 Mar 20103
Barton Holt- Upstream of weir30 Mar 201030 Mar 20101
Barton Holt- Downstream of weir30 Mar 201030 Mar 20101
Aldershot Stream14 Nov 200313 Nov 20094
Osier Bed Stream29 Apr 200311 Nov 20093
Speen Moor23 Oct 20065 Nov 20092
Fobney to County Weir13 Apr 200316 Oct 20085
Blakes lock to confluence with Thames22 Jul 200822 Jul 20081
Middle Cut u/s Duffers Pool - Wilderness26 Feb 200826 Feb 20081
Kings bridge - Brimpton3 Nov 200431 Oct 20062
Upper Benyons11 Nov 200410 Nov 20052
Ufton to Tyle mill8 Apr 200318 Oct 20053
Waterside Farm2 Apr 200313 Oct 20053
Bathing Pool to Barnets Hatch20 Oct 200420 Oct 20041

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

2003–2025

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 3,594 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
11.2 cm
Median
14.6 cm
Upper quarter
18.8 cm
Largest
42.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
4.8 oz (0.136 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Kennet

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

Pike Brown / sea trout Chub Dace Roach 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 →