RiverFish

Perch · Perca fluviatilis

Perch in the River Rivelin

Largest measured perch: 17.4 cm

The largest perch measured in Environment Agency surveys of the River Rivelin was 17.4 cm, recorded at Havelock Dam on 4 August 2008.

Across 21 measured perch, the median measured length was 12.2 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 Rivelin.

See perch records across England →

Most recent observation10 August 2009Havelock Dam · 5 fish
Largest measured perch
17.4 cm
Median length
12.2 cm
Fish measured
21
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
17.4 cm4 Aug 2008Havelock Dam114596
16.9 cm10 Aug 2009Havelock Dam118618
15.5 cm4 Aug 2008Havelock Dam114596
15.2 cm13 Aug 2007Havelock Dam108623
14.8 cm4 Aug 2008Havelock Dam114596
14.5 cm13 Aug 2007Havelock Dam108623
13.7 cm13 Aug 2007Havelock Dam108623
13.5 cm4 Aug 2008Havelock Dam114596
12.7 cm10 Aug 2009Havelock Dam118618
12.2 cm15 Aug 2008Hospital114575

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
Havelock Dam26 Aug 200410 Aug 20094
Hospital15 Aug 200815 Aug 20081
Downstream Mill Dam7 Aug 20087 Aug 20081
Glen Bridge22 Aug 200622 Aug 20061
Rivelin Mill21 Jan 198621 Jan 19861

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

1986–2009

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 21 measured fish were spread across different length ranges.

Smallest
9.5 cm
Lower quarter
11 cm
Median
12.2 cm
Upper quarter
14.5 cm
Largest
17.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rivelin

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

Brown / sea trout Bullhead Stone loach Brook lamprey 3-spined stickleback Minnow

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 →