Perch · Perca fluviatilis

Perch in the River Wear

Largest measured perch: 24.6 cm

The largest perch measured in Environment Agency surveys of the River Wear was 24.6 cm, recorded at River Wear at Bishop Auckland on 28 August 2001.

Across 5 measured perch, the median measured length was 13.5 cm.

Surveyors recorded weights for 3 perch. The median was 7.6 oz (0.215 kg) and the largest recorded weight was 10 oz (0.284 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 Wear.

See perch records across England →

Most recent observation3 September 2013Stockley Beck at Weardale Way · 1 fish

Largest measured perch: 24.6 cm
Median length: 13.5 cm
Fish measured: 5
Survey locations: 3

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
24.6 cm	28 Aug 2001	River Wear at Bishop Auckland	23605
22.6 cm	28 Aug 2001	River Wear at Bishop Auckland	23605
13.5 cm	31 Aug 2007	Beechburn Beck Farm	107536
12 cm	3 Sept 2013	Stockley Beck at Weardale Way	138336
7.8 cm	28 Aug 2001	River Wear at Bishop Auckland	23605

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
Stockley Beck at Weardale Way	3 Sept 2013	3 Sept 2013	1
Beechburn Beck Farm	31 Aug 2007	31 Aug 2007	1
River Wear at Bishop Auckland	28 Aug 2001	28 Aug 2001	1

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

2001–2013

Survey records by year

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

101

002

003

004

005

006

107

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 5 measured fish were spread across different length ranges.

Smallest: 7.8 cm
Lower quarter: 12 cm
Median: 13.5 cm
Upper quarter: 22.6 cm
Largest: 24.6 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 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: 3.9 oz (0.111 kg)
Median: 7.6 oz (0.215 kg)
Upper quarter: 8.8 oz (0.2495 kg)
Heaviest: 10 oz (0.284 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 Wear

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

Brown / sea trout Stone loach Bullhead Minnow Atlantic salmon 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 →