Perch · Perca fluviatilis

Perch in the Main River Chew

Largest measured perch: 35.3 cm

The largest perch measured in Environment Agency surveys of the Main River Chew was 35.3 cm, recorded at Keynsham Park (Te) on 18 July 2019.

Across 75 measured perch, the median measured length was 20 cm.

Surveyors recorded weights for 65 perch. The median was 4.6 oz (0.13 kg) and the largest recorded weight was 1 lb 3.6 oz (0.555 kg).

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

See perch records across England →

Most recent observation18 July 2019Keynsham Park (Te) · 3 fish

Largest measured perch: 35.3 cm
Median length: 20 cm
Fish measured: 75
Survey locations: 7

Individual EA measurements

Largest measured perch

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

Length	Survey date	Survey location	Survey ID
35.3 cm	18 Jul 2019	Keynsham Park (Te)	154964
35.2 cm	18 Jul 2019	Keynsham Park (Te)	154964
34 cm	18 Jul 2019	Keynsham Park (Te)	154964
31.5 cm	4 Sept 2007	Keynsham Park (Te)	106985
31 cm	5 Jul 2005	Keynsham Park (Te)	85035
30.4 cm	5 Jul 2005	Keynsham Park (Te)	85035
28.3 cm	12 Jul 2016	Keynsham Park (Te)	148448
28.2 cm	3 Sept 2003	Keynsham Park (Te)	76926
26.6 cm	3 Sept 2003	Keynsham Park (Te)	76926
26.5 cm	15 May 2002	Pensford (Te)	51980

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 surveyed	First recorded	Last recorded	Visits finding perch
Keynsham Park (Te)	3 Sept 2003	18 Jul 2019	6
Pensford (Te)	15 May 2002	6 Jul 2016	4
Coley	8 Oct 2013	8 Oct 2013	1
Chew Magna	5 Jul 2011	5 Jul 2011	1
Stanton Drew (Te)	10 Aug 2006	10 Aug 2006	1
Shrowl Bridge (Te)	12 Jul 2002	20 Jul 2004	3
Downstream Chew Valley Lake (Te)	8 Jul 2003	13 Jul 2004	2

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

2002–2019

Survey records by year

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

202

403

404

105

106

107

008

009

010

111

012

113

014

015

216

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 75 measured fish were spread across different length ranges.

Smallest: 8.9 cm
Lower quarter: 17.8 cm
Median: 20 cm
Upper quarter: 22.3 cm
Largest: 35.3 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 65 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.8 oz (0.023 kg)
Lower quarter: 3.3 oz (0.094 kg)
Median: 4.6 oz (0.13 kg)
Upper quarter: 6.6 oz (0.188 kg)
Heaviest: 1 lb 3.6 oz (0.555 kg)

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

More fish in this river

Explore the Main River Chew

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

Bullhead Roach Minnow Stone loach Brown / sea trout European eel

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 →