Perch · Perca fluviatilis

Perch in the River Blackwater (Bure)

Largest measured perch: 10.2 cm

The largest perch measured in Environment Agency surveys of the River Blackwater (Bure) was 10.2 cm, recorded at Pages Farm bridge on 17 January 2003.

Across 22 measured perch, the median measured length was 8.4 cm.

Surveyors recorded weights for 21 perch. The median was 0.3 oz (0.008 kg) and the largest recorded weight was 0.4 oz (0.011 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 Blackwater (Bure).

See perch records across England →

Most recent observation22 February 2022Nethergate · 1 fish

Largest measured perch: 10.2 cm
Median length: 8.4 cm
Fish measured: 22
Survey locations: 4

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
10.2 cm	17 Jan 2003	Pages Farm bridge	73808
9.3 cm	17 Jan 2003	Pages Farm bridge	73808
9.1 cm	17 Jan 2003	Pages Farm bridge	73808
9 cm	17 Jan 2003	Pages Farm bridge	73808
8.9 cm	17 Jan 2003	Pages Farm bridge	73808
8.9 cm	17 Jan 2003	Pages Farm bridge	73808
8.8 cm	17 Jan 2003	Nethergate	73807
8.6 cm	17 Jan 2003	Pages Farm bridge	73808
8.6 cm	14 Jan 2003	Melton Road Hindolveston	73806
8.5 cm	17 Jan 2003	Pages Farm bridge	73808

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
Nethergate	17 Jan 2003	22 Feb 2022	2
Pages Farm bridge	17 Jan 2003	17 Jan 2003	1
Melton Road Hindolveston	14 Jan 2003	14 Jan 2003	1
Hindolveston Beck Farm	14 Jan 2003	14 Jan 2003	1

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

2003–2022

Survey records by year

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

403

004

005

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

122

Fish measured by surveyors

Measured length distribution

See how the 22 measured fish were spread across different length ranges.

Smallest: 7.2 cm
Lower quarter: 8.2 cm
Median: 8.5 cm
Upper quarter: 8.9 cm
Largest: 10.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 21 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.005 kg)
Lower quarter: 0.2 oz (0.007 kg)
Median: 0.3 oz (0.008 kg)
Upper quarter: 0.3 oz (0.008 kg)
Heaviest: 0.4 oz (0.011 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 Blackwater (Bure)

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

Brown / sea trout 3-spined stickleback Stone loach 10-spined stickleback

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 →