RiverFish

Perch · Perca fluviatilis

Perch in the River Bassett's Mead

Largest measured perch: 33.6 cm

The largest perch measured in Environment Agency surveys of the River Bassett's Mead was 33.6 cm, recorded at Site 4 Downstream Control on 13 October 2010.

Across 87 measured perch, the median measured length was 14.5 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 Bassett's Mead.

See perch records across England →

Most recent observation2 October 2013Site 4 Downstream Control · 4 fish
Largest measured perch
33.6 cm
Median length
14.5 cm
Fish measured
87
Survey locations
4

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
33.6 cm13 Oct 2010Site 4 Downstream Control124831
32.5 cm13 Oct 2010Site 3 Downstream Impact124832
28.4 cm13 Oct 2010Site 4 Downstream Control124831
28.4 cm13 Oct 2010Site 4 Downstream Control124831
27 cm13 Oct 2010Site 4 Downstream Control124831
25.8 cm13 Oct 2010Site 3 Downstream Impact124832
23.2 cm13 Oct 2010Site 3 Downstream Impact124832
22.4 cm2 Oct 2013Site 2 Upstream Impact139070
21.9 cm2 Oct 2013Site 4 Downstream Control139074
19.7 cm2 Oct 2013Site 4 Downstream Control139074

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
Site 4 Downstream Control13 Oct 20102 Oct 20132
Site 3 Downstream Impact13 Oct 20102 Oct 20132
Site 2 Upstream Impact13 Oct 20102 Oct 20132
Site 1 Upstream Control2 Oct 20132 Oct 20131

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

2010–2013

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 87 measured fish were spread across different length ranges.

Smallest
8.5 cm
Lower quarter
12.5 cm
Median
14.5 cm
Upper quarter
16.9 cm
Largest
33.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bassett's Mead

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

Brown / sea trout 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 →