Perch · Perca fluviatilis

Perch in the Ivel Navigation

Largest measured perch: 38.9 cm

The largest perch measured in Environment Agency surveys of the Ivel Navigation was 38.9 cm, recorded at Clifton on 3 August 2016.

Across 10 measured perch, the median measured length was 33.5 cm.

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

See perch records across England →

Most recent observation3 August 2016Clifton · 3 fish

Largest measured perch: 38.9 cm
Median length: 33.5 cm
Fish measured: 10
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.

Length	Survey date	Survey location	Survey ID
38.9 cm	3 Aug 2016	Clifton	149167
38 cm	3 Aug 2016	Clifton	149167
37.3 cm	21 May 1998	Horse Bridge	29242
35.3 cm	3 Aug 2016	Clifton	149167
33.8 cm	21 May 1998	Horse Bridge	29242
33.3 cm	21 May 1998	Horse Bridge	29242
30.8 cm	26 May 1998	Clifton	29243
24.8 cm	21 May 1998	Horse Bridge	29242
16.3 cm	10 Mar 1989	Horse Bridge	29238
12.3 cm	10 Mar 1989	Clifton	29239

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 surveyed	First recorded	Last recorded	Visits finding perch
Clifton	10 Mar 1989	3 Aug 2016	4
Horse Bridge	10 Mar 1989	13 Apr 2005	3

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

1989–2016

Survey records by year

Each bar shows how many survey visits recorded perch that year.

289

090

091

092

093

094

095

096

097

298

099

000

001

002

003

004

105

006

007

008

009

110

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest: 12.3 cm
Lower quarter: 26.3 cm
Median: 33.6 cm
Upper quarter: 36.8 cm
Largest: 38.9 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ivel Navigation

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

Roach Gudgeon Dace Pike Chub Minnow

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 →