Perch · Perca fluviatilis

Perch in the Main River Tone

Largest measured perch: 40.3 cm

The largest perch measured in Environment Agency surveys of the Main River Tone was 40.3 cm, recorded at Newbridge on 14 April 2015.

Across 129 measured perch, the median measured length was 11.5 cm.

Surveyors recorded weights for 2 perch. The median was 13.2 oz (0.373 kg) and the largest recorded weight was 15.1 oz (0.429 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 Tone.

See perch records across England →

Most recent observation19 September 2024Bathpool · 13 fish

Largest measured perch: 40.3 cm
Median length: 11.5 cm
Fish measured: 129
Survey locations: 5

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
40.3 cm	14 Apr 2015	Newbridge	144542
38 cm	25 Apr 2019	Newbridge	154431
37.2 cm	14 Apr 2015	Newbridge	144542
36 cm	19 Sept 2024	Bathpool	167170
34.4 cm	19 Sept 2024	Bathpool	167170
34.1 cm	19 Sept 2024	Bathpool	167170
33.5 cm	19 Sept 2024	Bathpool	167170
33.1 cm	18 Oct 2022	Roughmoor (Te)	161675
32.5 cm	19 Sept 2024	Bathpool	167170
29.8 cm	19 Sept 2024	Bathpool	167170

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
Bathpool	2 Sept 2010	19 Sept 2024	7
Roughmoor (Te)	20 Aug 2019	18 Oct 2022	2
Newbridge	26 Apr 2007	25 Apr 2019	5
Parsonage Farm (Te)	4 Aug 2006	4 Aug 2006	1
Priorswood (Te)	4 Aug 2004	4 Aug 2004	1

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

2004–2024

Survey records by year

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

104

005

106

107

008

109

210

111

012

113

114

115

016

117

018

319

020

021

122

023

124

Fish measured by surveyors

Measured length distribution

See how the 129 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 8.6 cm
Median: 11.5 cm
Upper quarter: 16.4 cm
Largest: 40.3 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 11.2 oz (0.317 kg)
Lower quarter: 12.2 oz (0.345 kg)
Median: 13.2 oz (0.373 kg)
Upper quarter: 14.1 oz (0.401 kg)
Heaviest: 15.1 oz (0.429 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 Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow 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 →