RiverFish

Perch · Perca fluviatilis

Perch in the River Darent

Largest measured perch: 33.2 cm

The largest perch measured in Environment Agency surveys of the River Darent was 33.2 cm, recorded at Horton Kirby on 22 July 2009.

Across 1,050 measured perch, the median measured length was 11.5 cm.

Surveyors recorded weights for 51 perch. The median was 1.9 oz (0.054 kg) and the largest recorded weight was 4 lb 8.3 oz (2.05 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 Darent.

See perch records across England →

Most recent observation22 July 2026Twitton Brook · 2 fish
Largest measured perch
33.2 cm
Median length
11.5 cm
Fish measured
1,050
Survey locations
9

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
33.2 cm22 Jul 2009Horton Kirby119261
29.1 cm30 Apr 2019Horton Kirby154442
27.8 cm15 Apr 2015Horton Kirby144603
26.4 cm25 May 2024Preston Farm165053
25.7 cm14 May 2014Horton Kirby140785
25.5 cm1 May 2019Lullingstone154448
25.3 cm4 May 2017Lullingstone150402
24.6 cm13 Jul 2004Horton Kirby82590
24.4 cm22 Aug 2005Twitton Brook87541
24.3 cm4 May 2017Lullingstone150402

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
Twitton Brook26 Aug 200322 Jul 202616
Hawley Hall1 Jun 20111 Jul 20268
Preston Farm4 Sept 200211 Jun 20269
Lullingstone13 Sept 200710 Jun 202611
Horton Kirby1 Aug 200214 May 202618
Dartford Park5 Aug 20024 Jun 20249
Sevenoaks Wildfowl Reserve5 Aug 200922 May 20249
Sundridge29 Aug 200621 Jun 20112
Acacia Hall1 Sept 200328 Aug 20097

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

2002–2026

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 1,050 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
7.5 cm
Median
11.5 cm
Upper quarter
15 cm
Largest
33.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 51 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
1.2 oz (0.035 kg)
Median
1.9 oz (0.054 kg)
Upper quarter
3 oz (0.085 kg)
Heaviest
4 lb 8.3 oz (2.05 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 Darent

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

Gudgeon Bullhead Roach Brown / sea trout Stone loach Pike

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 →