RiverFish

Perch · Perca fluviatilis

Perch in the River Adur East Arm

Largest measured perch: 34.5 cm

The largest perch measured in Environment Agency surveys of the River Adur East Arm was 34.5 cm, recorded at Hookers Farm on 4 August 1997.

Across 207 measured perch, the median measured length was 12.1 cm.

Surveyors recorded weights for 111 perch. The median was 1 oz (0.029 kg) and the largest recorded weight was 1 lb 9.9 oz (0.735 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 Adur East Arm.

See perch records across England →

Most recent observation5 August 2025Burgess Hill STW · 9 fish
Largest measured perch
34.5 cm
Median length
12.1 cm
Fish measured
207
Survey locations
11

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
34.5 cm4 Aug 1997Hookers Farm72571
33.5 cm11 Aug 2010Downstream Wineham Bridge123937
30.2 cm8 Aug 2017U/s Twineham Footbridge151190
29.7 cm4 Sept 2012Downstream Wineham Bridge133874
29.4 cm1 Aug 2007Hookers Farm107127
27.7 cm8 Aug 2017U/s Twineham Footbridge151190
27.7 cm5 Aug 2015Downstream Wineham Bridge145748
27.5 cm8 Aug 2017Hookers Farm151194
26.5 cm15 Aug 2005Burgess Hill STW87498
26.3 cm11 Aug 2010Downstream Wineham Bridge123937

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
Burgess Hill STW28 Jul 20045 Aug 20254
Downstream Wineham Bridge18 Aug 199722 Aug 20249
Nymans Farm, Shermanbury4 Aug 201517 Jul 20243
U/s Twineham Footbridge8 Aug 201710 Jul 20242
Stairbridge Lane28 Jul 199714 Aug 20184
Hookers Farm4 Aug 19978 Aug 20174
Shermanbury Place GS4 Sept 20144 Sept 20141
Wortleford Bridge15 May 201415 May 20141
Shermanbury5 Sept 20025 Sept 20129
Vale Bridge16 Jun 199723 Jul 20022
Upstream Mock Bridge17 Sept 199717 Sept 19971

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

1997–2025

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 207 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
9.7 cm
Median
12.1 cm
Upper quarter
15.7 cm
Largest
34.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 111 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.7 oz (0.02 kg)
Median
1 oz (0.029 kg)
Upper quarter
1.7 oz (0.048 kg)
Heaviest
1 lb 9.9 oz (0.735 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 Adur East Arm

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

Roach Chub European eel Gudgeon Pike Dace

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 →