RiverFish

Perch · Perca fluviatilis

Perch in the River Yarrow

Largest measured perch: 29.1 cm

The largest perch measured in Environment Agency surveys of the River Yarrow was 29.1 cm, recorded at Plymouth Bridge on 28 June 2004.

Across 225 measured perch, the median measured length was 6.9 cm.

Surveyors recorded weights for 66 perch. The median was 0.6 oz (0.016 kg) and the largest recorded weight was 3.1 oz (0.088 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 Yarrow.

See perch records across England →

Most recent observation4 September 2013Downstream A6 · 17 fish
Largest measured perch
29.1 cm
Median length
6.9 cm
Fish measured
225
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
29.1 cm28 Jun 2004Plymouth Bridge83312
27.1 cm28 Jun 2004Plymouth Bridge83312
24.5 cm28 Jun 2004Plymouth Bridge83312
22.2 cm19 Jun 2009Downstream A6117450
22.1 cm3 Jul 2001Plymouth Bridge90427
21.4 cm28 Jun 2004Plymouth Bridge83312
20.9 cm19 Jun 2009Downstream A6117450
20 cm19 Jun 2009Downstream A6117450
20 cm10 Sept 2007Downstream A6108814
20 cm4 Jul 1995Plymouth Bridge112795

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 A628 Aug 20024 Sept 20139
Common Bank Lane12 Jul 201112 Jul 20111
ptc Black Brook (Hoggs Lane)28 Aug 200231 Aug 20074
Blindhurst Farm25 Sept 200625 Sept 20061
Plymouth Bridge4 Jul 199528 Jun 20044
Charnock Back Lane (M61 bridge)7 Jul 20035 Sept 20032
Upstream Blindhurst Bridge25 Jun 20023 Sept 20033
Downstream Blindhurst Bridge25 Jun 200223 Aug 20022
Below Croston Weir26 Jun 200126 Jun 20011

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

1995–2013

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 225 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
5.7 cm
Median
6.9 cm
Upper quarter
11.4 cm
Largest
29.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 66 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
0.4 oz (0.0105 kg)
Median
0.6 oz (0.016 kg)
Upper quarter
0.8 oz (0.022 kg)
Heaviest
3.1 oz (0.088 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 Yarrow

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

Brown / sea trout European eel Chub Gudgeon Dace Roach

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 →