Perch · Perca fluviatilis

Perch in the Sowy River

Largest measured perch: 33 cm

The largest perch measured in Environment Agency surveys of the Sowy River was 33 cm, recorded at Monksleaze Clyse (Te) on 8 July 2008.

Across 282 measured perch, the median measured length was 8.2 cm.

Surveyors recorded weights for 11 perch. The median was 0.4 oz (0.012 kg) and the largest recorded weight was 1.9 oz (0.055 kg).

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

See perch records across England →

Most recent observation29 June 2017Monksleaze Clyse (Te) · 2 fish

Largest measured perch: 33 cm
Median length: 8.2 cm
Fish measured: 282
Survey locations: 2

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
33 cm	8 Jul 2008	Monksleaze Clyse (Te)	111836
26.8 cm	20 Jun 2007	Beer Wall	105656
24.8 cm	9 Jul 2014	Monksleaze Clyse (Te)	141645
24.6 cm	8 Jul 2008	Monksleaze Clyse (Te)	111836
24.3 cm	19 Jun 2007	Monksleaze Clyse (Te)	105576
22.4 cm	8 Jul 2014	Beer Wall	141658
20.5 cm	14 Jul 2011	Beer Wall	127111
20.3 cm	23 Jun 2010	Monksleaze Clyse (Te)	122441
19 cm	20 Jun 2007	Beer Wall	105656
18.1 cm	29 Jun 2017	Monksleaze Clyse (Te)	150699

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
Monksleaze Clyse (Te)	6 Oct 2005	29 Jun 2017	7
Beer Wall	20 Jun 2007	8 Jul 2014	5

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

2005–2017

Survey records by year

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

105

006

207

208

009

110

311

012

013

214

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 282 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 7.6 cm
Median: 8.2 cm
Upper quarter: 8.8 cm
Largest: 33 cm

0–99 mm

248

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 11 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.007 kg)
Lower quarter: 0.3 oz (0.008 kg)
Median: 0.4 oz (0.012 kg)
Upper quarter: 0.8 oz (0.022 kg)
Heaviest: 1.9 oz (0.055 kg)

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

More fish in this river

Explore the Sowy River

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

Roach Pike Chub Motherless minnow / Sunbleak Silver bream Common bream

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 →