Roach · Rutilus rutilus

Roach in the River Eden

Largest measured roach: 30.1 cm

The largest roach measured in Environment Agency surveys of the River Eden was 30.1 cm, recorded at Delaware Farm on 1 October 2002.

Across 4,111 measured roach, the median measured length was 8.6 cm.

Surveyors recorded weights for 192 roach. The median was 0.5 oz (0.0155 kg) and the largest recorded weight was 1 lb 1.8 oz (0.506 kg).

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

See roach records across England →

Most recent observation12 June 2025Delaware Farm · 211 fish

Largest measured roach: 30.1 cm
Median length: 8.6 cm
Fish measured: 4,111
Survey locations: 11

Individual EA measurements

Largest measured roach

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
30.1 cm	1 Oct 2002	Delaware Farm	72863
28.6 cm	29 Nov 2001	u/s Vexour Bridge	22523
24 cm	23 Jul 2019	Delaware Farm	154966
23.9 cm	1 Oct 2002	Delaware Farm	72863
23.4 cm	20 Aug 2019	u/s Vexour Bridge	155186
23.4 cm	23 Jul 2019	Delaware Farm	154966
23.4 cm	19 Aug 2002	Cernes Farm	66441
23 cm	25 Apr 2002	Delaware Farm	66421
22.8 cm	1 Oct 2002	Delaware Farm	72863
22 cm	24 Jul 2003	Delaware Farm	77824

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Delaware Farm	25 Apr 2002	12 Jun 2025	14
Haxted Mill	8 Jun 2001	10 Jun 2025	12
u/s Bough Beech Intake	20 Dec 2001	4 Jun 2025	14
u/s Vexour Bridge	29 Nov 2001	3 Jun 2025	14
Cernes Farm	19 Aug 2002	28 May 2025	12
Long Acres	25 May 2016	25 May 2016	1
d/s Lingfield Park Race Course	24 May 2016	24 May 2016	1
Old House Farm	2 Jul 2013	2 Jul 2013	1
Barrow Green Farm & Park Farm	18 Jun 2013	18 Jun 2013	1
Lister Avenue, Sunnyside Stream	2 Sept 2009	2 Sept 2009	1
d/s Bough Beech Intake	24 Jul 2002	24 Jul 2002	1

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

2001–2025

Survey records by year

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

301

702

303

504

405

506

507

508

609

510

011

012

713

014

015

716

017

018

519

020

021

022

023

024

525

Fish measured by surveyors

Measured length distribution

See how the 4,111 measured fish were spread across different length ranges.

Smallest: 1.3 cm
Lower quarter: 6.5 cm
Median: 8.6 cm
Upper quarter: 11.1 cm
Largest: 30.1 cm

0–99 mm

2645

100–199 mm

1432

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 192 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.3 oz (0.0075 kg)
Median: 0.5 oz (0.0155 kg)
Upper quarter: 1.1 oz (0.0312 kg)
Heaviest: 1 lb 1.8 oz (0.506 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Eden

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

Chub Gudgeon Minnow Stone loach Perch 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 →