Perch · Perca fluviatilis

Perch in the Lowthorpe Beck / Fosten Beck / Kelk Beck

Largest measured perch: 35.6 cm

The largest perch measured in Environment Agency surveys of the Lowthorpe Beck / Fosten Beck / Kelk Beck was 35.6 cm, recorded at Foston Beck HULLCRS/(UPPER)2(2002) on 29 September 2003.

Across 201 measured perch, the median measured length was 11 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Lowthorpe Beck / Fosten Beck / Kelk Beck.

See perch records across England →

Most recent observation30 September 2025Foston Beck HULLCRS/(UPPER)2(2002) · 24 fish

Largest measured perch: 35.6 cm
Median length: 11 cm
Fish measured: 201
Survey locations: 1

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
35.6 cm	29 Sept 2003	Foston Beck HULLCRS/(UPPER)2(2002)	78627
34.6 cm	25 Oct 2006	Foston Beck HULLCRS/(UPPER)2(2002)	102362
34.4 cm	2 Oct 2002	Foston Beck HULLCRS/(UPPER)2(2002)	72243
34.2 cm	29 Sept 2003	Foston Beck HULLCRS/(UPPER)2(2002)	78627
33.3 cm	29 Sept 2003	Foston Beck HULLCRS/(UPPER)2(2002)	78627
32.8 cm	2 Oct 2002	Foston Beck HULLCRS/(UPPER)2(2002)	72243
32.8 cm	2 Oct 2002	Foston Beck HULLCRS/(UPPER)2(2002)	72243
32.8 cm	2 Oct 2002	Foston Beck HULLCRS/(UPPER)2(2002)	72243
31.8 cm	29 Sept 2003	Foston Beck HULLCRS/(UPPER)2(2002)	78627
31.5 cm	10 Oct 2000	Foston Beck HULLCRS/(UPPER)2(2002)	109574

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
Foston Beck HULLCRS/(UPPER)2(2002)	10 Oct 2000	30 Sept 2025	10

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

2000–2025

Survey records by year

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

100

101

102

103

004

105

106

107

008

109

110

011

012

013

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 201 measured fish were spread across different length ranges.

Smallest: 4.9 cm
Lower quarter: 6.5 cm
Median: 11 cm
Upper quarter: 15.1 cm
Largest: 35.6 cm

0–99 mm

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 Lowthorpe Beck / Fosten Beck / Kelk Beck

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

3-spined stickleback Brown / sea trout Bullhead Pike Roach European eel

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 →