Rudd · Scardinius erythrophthalmus

Rudd in the River Blackwater

Largest measured rudd: 21.7 cm

The largest rudd measured in Environment Agency surveys of the River Blackwater was 21.7 cm, recorded at Upstream Braxted Hall on 5 October 2005.

Across 54 measured rudd, the median measured length was 14.8 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 Blackwater.

See rudd records across England →

Most recent observation18 September 2014Braxted FGS · 1 fish

Largest measured rudd: 21.7 cm
Median length: 14.8 cm
Fish measured: 54
Survey locations: 13

Individual EA measurements

Largest measured rudd

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
21.7 cm	5 Oct 2005	Upstream Braxted Hall	86867
21.5 cm	19 Jul 1984	Dorewards Hall	14044
21.4 cm	7 May 1987	Covenbrook Hall	14071
20.5 cm	26 Sept 2005	Kelvedon Coalyard	86439
20.5 cm	23 Feb 1987	Hobbs Meadow	14073
20.2 cm	6 May 1987	Bradwell Bridge	14069
18.5 cm	23 Feb 1987	Hobbs Meadow	14073
18.4 cm	23 Feb 1987	Hobbs Meadow	14073
17.8 cm	1 Jun 1993	Upstream Braxted Hall	14121
17.5 cm	24 May 1993	Saint Marys Road	14125

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

Explore the river

Where rudd were found

Each point marks a survey location with at least one rudd 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 rudd
Braxted FGS	28 Sept 2006	18 Sept 2014	3
Coggeshall	5 Sept 2001	3 Sept 2014	3
Upstream Braxted Hall	1 Jun 1993	28 Sept 2011	3
Stock Hall	30 Apr 1987	3 Oct 2008	3
Kelvedon Coalyard	4 Sept 2001	5 Sept 2007	4
Pointwell Mill	24 Sept 1999	19 Sept 2005	2
Bradwell Bridge	12 Jul 1984	16 Sept 1999	4
Saint Marys Road	27 Jul 1984	2 Sept 1996	3
Dorewards Hall	19 Jul 1984	27 Mar 1990	2
Covenbrook Hall	7 May 1987	7 May 1987	1
Blue Mills	27 Apr 1987	27 Apr 1987	1
Downstream Braxted Hall	23 Apr 1987	23 Apr 1987	1
Hobbs Meadow	23 Feb 1987	23 Feb 1987	1

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

1984–2014

Survey records by year

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

384

085

086

687

088

089

190

091

092

293

094

095

296

097

098

299

000

201

002

103

004

405

206

107

208

009

010

111

012

013

214

Fish measured by surveyors

Measured length distribution

See how the 54 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 12.1 cm
Median: 14.8 cm
Upper quarter: 16.9 cm
Largest: 21.7 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 Blackwater

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

Roach Chub Gudgeon European eel 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 →