RiverFish

Perch · Perca fluviatilis

Perch in the River Lyd

Largest measured perch: 26.3 cm

The largest perch measured in Environment Agency surveys of the River Lyd was 26.3 cm, recorded at d/s Nochards on 21 July 1992.

Across 109 measured perch, the median measured length was 9.7 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 Lyd.

See perch records across England →

Most recent observation16 September 2025Downstream Weir, Next To Boating Lake · 117 fish
Largest measured perch
26.3 cm
Median length
9.7 cm
Fish measured
109
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
26.3 cm21 Jul 1992d/s Nochards64763
24.1 cm15 May 2002Upstream Wier at Lydney Boating Lake50120
17.2 cm9 Jun 1997d/s Lydney. Railway bridge d/s to canal63640
16.5 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
16.4 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
16.1 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
16 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
16 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
15.5 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475
14.7 cm16 Sept 2025Downstream Weir, Next To Boating Lake179475

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
Downstream Weir, Next To Boating Lake22 May 200816 Sept 20253
u/s Whitecroft5 Sept 20245 Sept 20241
u/s Lydney19 Jul 200619 Jul 20061
Upstream Wier at Lydney Boating Lake15 May 200215 May 20021
d/s Lydney. Railway bridge d/s to canal9 Jun 19979 Jun 19971
d/s Nochards21 Jul 199221 Jul 19921

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

1992–2025

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 109 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
9 cm
Median
9.7 cm
Upper quarter
10.9 cm
Largest
26.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lyd

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

European eel Brown / sea trout Bullhead Roach 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 →