RiverFish

Perch · Perca fluviatilis

Perch in the River Romney - Old Windsor

Largest measured perch: 39 cm

The largest perch measured in Environment Agency surveys of the River Romney - Old Windsor was 39 cm, recorded at Romney Weir Pool on 4 September 2003.

Across 759 measured perch, the median measured length was 14.9 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 Romney - Old Windsor.

See perch records across England →

Most recent observation29 July 2025Romney Weir Stream · 2 fish
Largest measured perch
39 cm
Median length
14.9 cm
Fish measured
759
Survey locations
8

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
39 cm4 Sept 2003Romney Weir Pool77799
38.2 cm7 Sept 2006Blackpotts101413
37.2 cm6 Sept 2005Romney Weir Pool86255
34.5 cm9 Sept 2004Blackpotts82460
32.4 cm9 Sept 2004Blackpotts82460
31.2 cm9 Sept 2004Romney to Jubilee82504
31 cm6 Sept 2005Romney Weir Pool86255
31 cm9 Sept 2004Romney to Jubilee82504
29.7 cm9 Sept 2004Romney Weir Pool82339
29.6 cm4 Sept 2003Romney Weir Pool77799

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
Romney Weir Stream1 Sept 200029 Jul 202520
Upstream Datchet Intake4 Sept 20034 Sept 201310
Romney Weir Pool1 Sept 19984 Sept 201313
Downstream Datchet Intake6 Sept 20054 Sept 20136
Blackpotts4 Sept 20035 Sept 20129
Old Windsor Lock Cut5 Sept 20085 Sept 20081
Romney to Jubilee9 Sept 20049 Sept 20041
Romney Main1 Sept 199512 Sept 20025

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

1995–2025

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 759 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
12.6 cm
Median
14.9 cm
Upper quarter
17.6 cm
Largest
39 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Romney - Old Windsor

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

Pike Roach Dace Bleak European eel Chub

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 →