Perch · Perca fluviatilis

Perch in the River Ryton

Largest measured perch: 34.3 cm

The largest perch measured in Environment Agency surveys of the River Ryton was 34.3 cm, recorded at Serlby on 5 August 2003.

Across 33 measured perch, the median measured length was 16.4 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 Ryton.

See perch records across England →

Most recent observation21 July 2025Scofton · 1 fish

Largest measured perch: 34.3 cm
Median length: 16.4 cm
Fish measured: 33
Survey locations: 5

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
34.3 cm	5 Aug 2003	Serlby	76651
32.5 cm	4 Aug 2005	Serlby	85380
32.2 cm	4 Aug 2005	Serlby	85380
31.6 cm	28 Aug 2001	Scrooby	23584
24.4 cm	20 Sept 2012	Serlby	133774
24 cm	6 Feb 1992	Red Bridge Hodsock	25108
23.5 cm	28 Jun 2006	Scrooby	99912
23.4 cm	6 Jul 2017	Serlby	150898
22.9 cm	18 Jun 2002	Scrooby	51902
20.4 cm	6 Feb 1992	Red Bridge Hodsock	25108

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
Scofton	20 Sept 2012	21 Jul 2025	2
Serlby	5 Aug 2003	6 Jul 2017	5
Scrooby	28 Aug 2001	28 Jun 2006	5
Chequer Bridge	4 Aug 2003	4 Aug 2003	1
Red Bridge Hodsock	6 Feb 1992	6 Feb 1992	1

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

1992–2025

Survey records by year

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

192

093

094

095

096

097

098

099

000

101

102

303

204

105

106

007

008

009

010

011

212

013

014

015

016

117

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 33 measured fish were spread across different length ranges.

Smallest: 7.4 cm
Lower quarter: 13.5 cm
Median: 16.4 cm
Upper quarter: 22.9 cm
Largest: 34.3 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 River Ryton

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

Stone loach Minnow Bullhead European eel Chub Dace

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 →