RiverFish

Perch · Perca fluviatilis

Perch in the River Leven

Largest measured perch: 10.5 cm

The largest perch measured in Environment Agency surveys of the River Leven was 10.5 cm, recorded at 302.50 Chaplin B1 LEVDP9 on 21 October 2003.

Across 11 measured perch, the median measured length was 7 cm.

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

See perch records across England →

Most recent observation5 September 2023303.00 Newby Bridge LEVDP1 · 1 fish
Largest measured perch
10.5 cm
Median length
7 cm
Fish measured
11
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.

LengthSurvey dateSurvey locationSurvey ID
10.5 cm21 Oct 2003302.50 Chaplin B1 LEVDP978383
9.5 cm2 Oct 2014302.90 200m US Gauging Weir - LEVDP2143767
9 cm5 Sept 2023303.00 Newby Bridge LEVDP1163256
8.5 cm2 Oct 2014302.90 200m US Gauging Weir - LEVDP2143767
7.5 cm24 Aug 2021302.20 120m US White Water LEVDP12160130
7 cm2 Oct 2014303.00 Newby Bridge LEVDP1143934
7 cm2 Oct 2014302.90 200m US Gauging Weir - LEVDP2143767
6.4 cm5 Sept 2023302.20 120m US White Water LEVDP12163255
6 cm2 Oct 2014302.90 200m US Gauging Weir - LEVDP2143767
3.5 cm25 Jul 2013300.70 50m US Backbarrow. Bridge A - LEVDP16137378

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
303.00 Newby Bridge LEVDP12 Oct 20145 Sept 20232
302.20 120m US White Water LEVDP1224 Aug 20215 Sept 20232
302.90 200m US Gauging Weir - LEVDP28 Sept 19992 Oct 20143
300.70 50m US Backbarrow. Bridge A - LEVDP1625 Jul 201325 Jul 20131
302.50 Chaplin B1 LEVDP921 Oct 200321 Oct 20031

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

1999–2023

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 11 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
6.2 cm
Median
7 cm
Upper quarter
8.8 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Leven

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

Brown / sea trout Atlantic salmon European eel Roach Pike

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 →