Perch · Perca fluviatilis

Perch in the Main River Parrett

Largest measured perch: 25.3 cm

The largest perch measured in Environment Agency surveys of the Main River Parrett was 25.3 cm, recorded at Yeo Valley Creamery on 13 July 2023.

Across 758 measured perch, the median measured length was 7 cm.

Surveyors recorded weights for 3 perch. The median was 2.4 oz (0.068 kg) and the largest recorded weight was 8.9 oz (0.252 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 Parrett.

See perch records across England →

Most recent observation2 September 2025Yeo Valley Creamery · 16 fish

Largest measured perch: 25.3 cm
Median length: 7 cm
Fish measured: 758
Survey locations: 8

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
25.3 cm	13 Jul 2023	Yeo Valley Creamery	162570
25 cm	8 Aug 2013	Midelney	137793
24.6 cm	13 Aug 2006	Knapp Br.	100985
23 cm	5 Aug 2025	Pibsbury	179826
23 cm	6 Aug 2015	Midelney	145767
22 cm	25 Jul 2009	Pibsbury	118160
21.5 cm	8 Aug 2019	Pibsbury	155980
21.2 cm	10 Aug 2011	Pibsbury	127766
21 cm	6 Aug 2019	Pibsbury	155978
20.6 cm	6 Aug 2019	Kings Sedgemoor Drain Downstream Gerylake	155987

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
Yeo Valley Creamery	11 Aug 2021	2 Sept 2025	3
Westover Bridge	23 Jul 2009	6 Aug 2025	21
Pibsbury	23 Jul 2009	6 Aug 2025	16
Midelney	11 Aug 2009	6 Aug 2025	18
Kings Sedgemoor Drain Downstream Gerylake	13 Aug 2013	5 Aug 2025	17
Oath Lock	12 Aug 2009	10 Aug 2023	15
Knapp Br.	13 Aug 2006	8 Aug 2013	11
Parchey	23 Jul 2009	18 Aug 2011	5

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

2006–2025

Survey records by year

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

306

007

008

1909

010

911

012

1513

014

815

016

917

018

1419

020

521

022

1223

024

1225

Fish measured by surveyors

Measured length distribution

See how the 758 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 5.7 cm
Median: 7 cm
Upper quarter: 10.5 cm
Largest: 25.3 cm

0–99 mm

547

100–199 mm

200

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: 1.7 oz (0.048 kg)
Lower quarter: 2 oz (0.058 kg)
Median: 2.4 oz (0.068 kg)
Upper quarter: 5.6 oz (0.16 kg)
Heaviest: 8.9 oz (0.252 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 Parrett

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

European eel Roach Ruffe Gudgeon 3-spined stickleback 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 →