Perch · Perca fluviatilis

Perch in the River Wharfe

Largest measured perch: 63.5 cm

The largest perch measured in Environment Agency surveys of the River Wharfe was 63.5 cm, recorded at Castley on 2 July 2008.

Across 827 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 Wharfe.

See perch records across England →

Most recent observation22 August 2024Pool Mill · 5 fish

Largest measured perch: 63.5 cm
Median length: 14.5 cm
Fish measured: 827
Survey locations: 14

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
63.5 cm	2 Jul 2008	Castley	111612
63 cm	2 Jul 2008	Castley	111612
43.7 cm	17 Sept 2001	Wetherby Grange	25628
43.6 cm	17 Sept 2001	Wetherby Grange	25628
41.4 cm	8 Jul 2010	Ulleskelf	124960
40.6 cm	23 Jun 2014	Pool Mill	141564
40 cm	16 Jul 2014	Ulleskelf	141738
39.7 cm	30 Jun 2008	Pool Mill	111611
39.2 cm	23 Jul 2003	Tadcaster pre 2006	78325
39.2 cm	23 Jul 1997	Tadcaster pre 2006	110123

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
Pool Mill	27 Jun 1996	22 Aug 2024	18
Tadcaster post 2006	9 Aug 2006	20 Aug 2024	5
Ulleskelf	25 Jul 1996	16 Jul 2014	9
Knotford	15 Aug 1996	23 Jun 2014	12
Castley	25 Aug 1998	2 Jul 2008	8
Tadcaster pre 2006	24 Jul 1996	30 Jun 2005	8
Wetherby Grange	12 Aug 1997	28 Jun 2005	9
Ryther	20 Jul 2004	20 Jul 2004	1
Boston Spa	19 Jul 1996	26 Jul 2003	7
Tadcaster - Fry Survey	18 Sept 2001	18 Sept 2001	1
Nunnery	21 Jul 2000	21 Jul 2000	1
U/s Boston Spa Weir	16 Sept 1996	16 Sept 1998	4
Smaws Ings	16 Aug 1996	16 Sept 1998	3
Boston Spa - Fry Survey	21 Sept 1988	18 Sept 1996	3

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

1988–2024

Survey records by year

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

188

089

090

091

092

093

094

195

996

897

898

699

600

601

702

703

404

405

306

407

308

009

410

211

012

013

414

015

016

017

018

019

020

021

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 827 measured fish were spread across different length ranges.

Smallest: 3.9 cm
Lower quarter: 11.4 cm
Median: 14.5 cm
Upper quarter: 21.4 cm
Largest: 63.5 cm

0–99 mm

127

100–199 mm

455

200–299 mm

139

300–399 mm

400–499 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wharfe

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

Minnow Bullhead Stone loach Brown / sea trout European eel Chub

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 →