RiverFish

Perch · Perca fluviatilis

Perch in the River Western Rother Tributaries

Largest measured perch: 17.5 cm

The largest perch measured in Environment Agency surveys of the River Western Rother Tributaries was 17.5 cm, recorded at Midhurst Stream on 30 October 2001.

Across 38 measured perch, the median measured length was 9.8 cm.

Surveyors recorded weights for 30 perch. The median was 0.6 oz (0.0175 kg) and the largest recorded weight was 3.7 oz (0.104 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 Western Rother Tributaries.

See perch records across England →

Most recent observation14 July 2026Haslingbourne Brook, Strood Farm · 2 fish
Largest measured perch
17.5 cm
Median length
9.8 cm
Fish measured
38
Survey locations
6

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
17.5 cm30 Oct 2001Midhurst Stream22305
17.1 cm30 Oct 2001Midhurst Stream22305
16.7 cm14 Sept 2001Greatham Stream22183
16.6 cm14 Jul 2026Haslingbourne Brook, Strood Farm182152
16.2 cm5 Jun 2008Midhurst Stream111641
16 cm30 Oct 2001Midhurst Stream22305
16 cm30 Oct 2001Midhurst Stream22305
15.1 cm5 Jun 2008Midhurst Stream111641
15 cm14 Jul 2026Haslingbourne Brook, Strood Farm182152
15 cm14 Sept 2001Greatham Stream22183

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
Haslingbourne Brook, Strood Farm27 Jul 201214 Jul 20262
Haslingbourne Brook1 Jul 20211 Jul 20211
Burton millstream conf12 Jul 201312 Jul 20131
Midhurst Stream30 Oct 20015 Jun 20082
Burton Mill28 Sept 200128 Sept 20011
Greatham Stream14 Sept 200114 Sept 20011

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

2001–2026

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 38 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
6.3 cm
Median
9.9 cm
Upper quarter
14.8 cm
Largest
17.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 30 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
0.3 oz (0.0082 kg)
Median
0.6 oz (0.0175 kg)
Upper quarter
1.8 oz (0.0518 kg)
Heaviest
3.7 oz (0.104 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 Western Rother Tributaries

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

Brown / sea trout Bullhead European eel Stone loach Minnow Brook lamprey

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 →