Roach · Rutilus rutilus

Roach in the River R.Slea

Largest measured roach: 32.8 cm

The largest roach measured in Environment Agency surveys of the River R.Slea was 32.8 cm, recorded at Cobblers Lock on 10 September 1991.

Across 17,239 measured roach, the median measured length was 13 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 R.Slea.

See roach records across England →

Most recent observation19 October 2023Bypass Bridge · 10 fish

Largest measured roach: 32.8 cm
Median length: 13 cm
Fish measured: 17,239
Survey locations: 13

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
32.8 cm	10 Sept 1991	Cobblers Lock	53248
31.3 cm	18 Oct 2013	Chapel Hill (Kyme)	139739
31 cm	30 Apr 2007	Halfpenny Hatch	105226
31 cm	10 Sept 1991	Cobblers Lock	53248
30.4 cm	18 Oct 2013	Chapel Hill (Kyme)	139739
30.4 cm	30 Apr 2007	Halfpenny Hatch	105226
30.4 cm	30 Apr 2007	Halfpenny Hatch	105226
30.3 cm	30 Apr 2007	Halfpenny Hatch	105226
30.3 cm	30 Apr 2007	Halfpenny Hatch	105226
30.1 cm	3 Jun 1985	Cobblers Lock	53087

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
Bypass Bridge	5 Apr 2007	19 Oct 2023	3
Halfpenny Hatch	31 May 1985	25 Jul 2023	15
Upstream Cogglesford Mill	11 Oct 2018	11 Oct 2018	1
Chapel Hill (Kyme)	13 May 1985	4 Oct 2017	8
South Kyme Bridge	29 May 1985	17 Oct 2013	7
Cobblers Lock	3 Jun 1985	7 Apr 2010	7
Terry Booths Farm	14 May 1985	10 Jul 1997	2
Manor Farm	30 May 1985	8 Jul 1997	3
White House	4 Jun 1985	2 Jul 1997	4
Bouncing Hills	21 Mar 1994	21 Mar 1994	1
Cobblers	22 Apr 1988	22 Apr 1988	1
Between Halfpenny and Cobblers Lock	21 Apr 1988	21 Apr 1988	1
Downstream Cobblers Lock	20 Apr 1988	20 Apr 1988	1

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

1985–2023

Survey records by year

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

785

086

087

688

089

090

491

092

093

494

095

096

697

198

099

100

001

002

003

104

105

006

307

208

309

210

111

212

313

214

015

016

217

118

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 17,239 measured fish were spread across different length ranges.

Smallest: 1 cm
Lower quarter: 7.7 cm
Median: 13 cm
Upper quarter: 17.9 cm
Largest: 32.8 cm

0–99 mm

6405

100–199 mm

8296

200–299 mm

2527

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Slea

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

European eel 3-spined stickleback Gudgeon Dace Stone loach Pike

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 →