RiverFish

Perch · Perca fluviatilis

Perch in the Main River Isle

Largest measured perch: 24.1 cm

The largest perch measured in Environment Agency surveys of the Main River Isle was 24.1 cm, recorded at Cocks Bridge (Te) on 6 July 2010.

Across 29 measured perch, the median measured length was 12.8 cm.

Surveyors recorded weights for 8 perch. The median was 2 oz (0.0565 kg) and the largest recorded weight was 9.6 oz (0.272 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 Isle.

See perch records across England →

Most recent observation30 June 2022Hort Bridge · 2 fish
Largest measured perch
24.1 cm
Median length
12.8 cm
Fish measured
29
Survey locations
9

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
24.1 cm6 Jul 2010Cocks Bridge (Te)122678
22.6 cm6 Jul 2010Cocks Bridge (Te)122678
17.2 cm8 Jun 1992Hambridge80049
16.4 cm30 Jun 2022Hort Bridge161068
16.2 cm10 Apr 2013U/s Chard STW135873
16.1 cm8 Jun 1992Hambridge80049
15.7 cm11 Jul 2007Cocks Bridge (Te)105896
14.7 cm10 Apr 2013U/s Chard STW135873
14.5 cm22 Apr 1997Downstream Westport Canal79532
14.5 cm14 May 1992Downstream Westport Canal80051

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
Hort Bridge30 Jun 202230 Jun 20221
Midelney11 Sept 200723 Jun 20222
Cocks Bridge (Te)11 Jul 200723 Jun 20164
U/s Chard STW10 Apr 201310 Apr 20131
Bere Mills17 Jul 199717 Jul 19971
Donyatt7 Jul 19977 Jul 19971
Hambridge8 Jun 199230 Apr 19972
Downstream Westport Canal14 May 199222 Apr 19972
Ilford Bridges (Te)11 Jun 199211 Jun 19921

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

1992–2022

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 29 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
10.4 cm
Median
12.8 cm
Upper quarter
14.7 cm
Largest
24.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.003 kg)
Lower quarter
0.4 oz (0.0122 kg)
Median
2 oz (0.0565 kg)
Upper quarter
3 oz (0.0838 kg)
Heaviest
9.6 oz (0.272 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 Isle

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

European eel Stone loach Minnow Chub Dace Roach

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 →