RiverFish

Perch · Perca fluviatilis

Perch in the River Timberland Delph

Largest measured perch: 34 cm

The largest perch measured in Environment Agency surveys of the River Timberland Delph was 34 cm, recorded at Timberland Fen Upstream on 2 August 2002.

Across 2,628 measured perch, the median measured length was 6.3 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 Timberland Delph.

See perch records across England →

Most recent observation20 September 2017Delph Outfall Upstream Timberland · 202 fish
Largest measured perch
34 cm
Median length
6.3 cm
Fish measured
2,628
Survey locations
2

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
34 cm2 Aug 2002Timberland Fen Upstream72228
33.7 cm20 Jun 2007Delph Outfall Upstream Timberland105716
33.6 cm20 Jun 2007Delph Outfall Upstream Timberland105716
31.2 cm20 Jun 2007Delph Outfall Upstream Timberland105716
30.8 cm20 Jun 2007Delph Outfall Upstream Timberland105716
25.2 cm2 Apr 1985Delph Outfall Upstream Timberland53055
24.6 cm20 Jun 2007Delph Outfall Upstream Timberland105716
23.2 cm20 Jun 2007Delph Outfall Upstream Timberland105716
22 cm6 Jul 1998Timberland Fen Upstream53423
21.2 cm21 Jul 2004Delph Outfall Upstream Timberland82830

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
Delph Outfall Upstream Timberland2 Apr 198520 Sept 201715
Timberland Fen Upstream1 May 19852 Aug 20027

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

1985–2017

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 2,628 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
5.6 cm
Median
6.3 cm
Upper quarter
8.9 cm
Largest
34 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Timberland Delph

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

Pike Roach Common bream Silver bream Gudgeon Ruffe

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 →