RiverFish

Perch · Perca fluviatilis

Perch in the Twenty Foot Drain

Largest measured perch: 39.5 cm

The largest perch measured in Environment Agency surveys of the Twenty Foot Drain was 39.5 cm, recorded at Hobbs Lot Bridge on 31 May 2005.

Across 2,665 measured perch, the median measured length was 7.8 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Twenty Foot Drain.

See perch records across England →

Most recent observation6 May 2026Hobbs Lot Bridge · 85 fish
Largest measured perch
39.5 cm
Median length
7.8 cm
Fish measured
2,665
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
39.5 cm31 May 2005Hobbs Lot Bridge84611
37.1 cm20 Sept 2011Hobbs Lot Bridge128088
31.8 cm26 Aug 1999Poplartree Bridge29534
30.8 cm1 Sept 1999Goosetree Corner29535
30.3 cm2 Aug 1994Chainbridge29532
29.7 cm20 Sept 2011Hobbs Lot Bridge128088
29.3 cm26 Aug 1999Poplartree Bridge29534
26.8 cm26 Aug 1999Poplartree Bridge29534
26 cm28 Apr 2026Holloways Bridge181112
24.3 cm21 Sept 2011Chainbridge128022

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
Hobbs Lot Bridge7 Jul 19876 May 202612
Goosetree Corner5 Jul 198730 Apr 202613
Holloways Bridge10 Jun 198728 Apr 20266
Chainbridge8 Jul 198721 Sept 201110
Shepperson's Bridge13 Jul 19872 Jun 201110
Poplartree Bridge8 Jun 198731 May 201110

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

1987–2026

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 2,665 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
7 cm
Median
7.8 cm
Upper quarter
9.3 cm
Largest
39.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Twenty Foot Drain

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

Roach Common bream Pike Ruffe Rudd Tench

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 →