RiverFish

Perch · Perca fluviatilis

Perch in the River Ure

Largest measured perch: 71.7 cm

The largest perch measured in Environment Agency surveys of the River Ure was 71.7 cm, recorded at Aldwark Bridge (single anode) on 18 July 2002.

Across 1,580 measured perch, the median measured length was 14.2 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 Ure.

See perch records across England →

Most recent observation13 August 2025Boroughbridge - Fry Survey · 9 fish
Largest measured perch
71.7 cm
Median length
14.2 cm
Fish measured
1,580
Survey locations
20

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
71.7 cm18 Jul 2002Aldwark Bridge (single anode)63222
67.7 cm18 Jul 2002Aldwark Bridge (single anode)63222
67.7 cm18 Jul 2002Aldwark Bridge (single anode)63222
65.5 cm18 Jul 2002Aldwark Bridge (single anode)63222
65.2 cm18 Jul 2002Aldwark Bridge (single anode)63222
62.6 cm18 Jul 2002Aldwark Bridge (single anode)63222
61.3 cm18 Jul 2002Aldwark Bridge (single anode)63222
61.3 cm18 Jul 2002Aldwark Bridge (single anode)63222
61.2 cm18 Jul 2002Aldwark Bridge (single anode)63222
59.1 cm18 Jul 2002Aldwark Bridge (single anode)63222

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
Boroughbridge - Fry Survey20 Sept 198913 Aug 202519
Boroughbridge9 Jul 200216 Jul 202512
Westwick8 Jul 200210 Jul 202519
Hewick Bridge (single anode)31 Jul 199612 Jul 201914
Middleham3 Aug 199925 Jul 20143
Aldwark Bridge (single anode)31 Jul 199724 Jun 201013
Wensley Bridge28 Jul 200628 Jul 20061
Langthorpe (single anode)22 Jul 199712 Jul 20059
Dunsforth3 Jul 20027 Jul 20053
Langthorpe (Gill Net Site)22 Jul 199729 Jul 20046
Hewick Bridge (Gill Net)31 Jul 199621 Jul 20047
Dunsforth (Gill Net)6 Aug 20036 Aug 20031
Hewick Bridge (Boom boat)3 Aug 199817 Jul 20036
Aldwark Bridge (Gill Net)27 Jul 199616 Jul 20035
Aldwark Bridge (Boom boat)30 Jul 199616 Jul 20038
Aldborough (single anode)30 Jul 199622 Jul 20027
Aldborough (Gill Net Site)30 Jul 199822 Jul 20025
Aldborough (Boom boat)27 Jul 199922 Jul 20024
Langthorpe (Boom Boat)22 Jul 199719 Jul 20026
Aldwark Bridge (Seine Net site)29 Jul 199618 Jul 20026

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

1989–2025

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 1,580 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
9 cm
Median
14.2 cm
Upper quarter
18.9 cm
Largest
71.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ure

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

Minnow European eel Brown / sea trout Chub Bullhead Stone loach

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 →