Roach · Rutilus rutilus

Roach in the River Dean

Largest measured roach: 23.7 cm

The largest roach measured in Environment Agency surveys of the River Dean was 23.7 cm, recorded at Dede25 on 14 June 2013.

Across 28 measured roach, the median measured length was 15.7 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 Dean.

See roach records across England →

Most recent observation14 June 2013Dede25 · 2 fish

Largest measured roach: 23.7 cm
Median length: 15.7 cm
Fish measured: 28
Survey locations: 5

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
23.7 cm	14 Jun 2013	Dede25	137173
21.7 cm	14 Jun 2013	Dede25	137173
19.9 cm	18 Sept 2002	Dede20	64400
19.4 cm	18 Sept 2002	Dede20	64400
19 cm	18 Sept 2002	Dede20	64400
18.4 cm	18 Sept 2002	Dede20	64400
18.3 cm	18 Sept 2002	Dede20	64400
17.3 cm	18 Sept 2002	Dede15	64381
17.3 cm	18 Sept 2002	Dede15	64381
16.6 cm	18 Sept 2002	Dede15	64381

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
Dede25	26 Sept 2002	14 Jun 2013	2
Dede20	18 Sept 2002	18 Sept 2002	1
Dede15	18 Sept 2002	18 Sept 2002	1
De04	15 Aug 1996	15 Aug 1996	1
De09	13 Aug 1996	13 Aug 1996	1

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

1996–2013

Survey records by year

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

296

097

098

099

000

001

302

003

004

005

006

007

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest: 6.5 cm
Lower quarter: 9.4 cm
Median: 15.7 cm
Upper quarter: 17.6 cm
Largest: 23.7 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dean

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

Brown / sea trout Stone loach Bullhead Minnow 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 →