Perch · Perca fluviatilis

Perch in the River Thurne (Seine)

Largest measured perch: 27.8 cm

The largest perch measured in Environment Agency surveys of the River Thurne (Seine) was 27.8 cm, recorded at Upstream Candle Dyke on 16 July 1998.

Across 281 measured perch, the median measured length was 8.5 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 Thurne (Seine).

See perch records across England →

Most recent observation15 October 1998Upstream Thurne Lion Dyke · 2 fish

Largest measured perch: 27.8 cm
Median length: 8.5 cm
Fish measured: 281
Survey locations: 7

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
27.8 cm	16 Jul 1998	Upstream Candle Dyke	16910
21.5 cm	16 Jul 1998	Upstream Candle Dyke	16910
19.2 cm	7 Oct 1993	Upstream Potter Bridge	16905
19.2 cm	7 Oct 1993	Upstream Potter Bridge	16905
19.1 cm	7 Oct 1993	Upstream Potter Bridge	16905
17.6 cm	7 Oct 1993	Upstream Potter Bridge	16905
17.3 cm	7 Oct 1993	Upstream Potter Bridge	16905
17 cm	7 Oct 1993	Upstream Potter Bridge	16905
16.9 cm	7 Oct 1993	Upstream Potter Bridge	16905
16.8 cm	7 Oct 1993	Upstream Potter Bridge	16905

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
Upstream Thurne Lion Dyke	15 Oct 1998	15 Oct 1998	1
Downstream Womack Water	15 Oct 1998	15 Oct 1998	1
Downstream Dungeon Corner	21 Aug 1998	21 Aug 1998	1
West Somerton	18 Aug 1998	18 Aug 1998	1
Upstream Martham Ferry	8 Sept 1986	16 Jul 1998	2
Upstream Candle Dyke	23 Aug 1986	16 Jul 1998	3
Upstream Potter Bridge	7 Oct 1993	7 Oct 1993	1

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

1986–1998

Survey records by year

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

286

087

088

189

090

091

092

193

094

095

096

097

698

Fish measured by surveyors

Measured length distribution

See how the 281 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 7.7 cm
Median: 8.5 cm
Upper quarter: 13.7 cm
Largest: 27.8 cm

0–99 mm

181

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Thurne (Seine)

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

Roach Flounder Common bream Smelt 3-spined stickleback Rudd

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 →