Rudd · Scardinius erythrophthalmus

Rudd in the Main river sites

Largest measured rudd: 25.6 cm

The largest rudd measured in Environment Agency surveys of the Main river sites was 25.6 cm, recorded at S5 Strangeways on 9 June 2015.

Across 8 measured rudd, the median measured length was 11.5 cm.

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

See rudd records across England →

Most recent observation8 June 2023S1 Gillingham · 2 fish

Largest measured rudd: 25.6 cm
Median length: 11.5 cm
Fish measured: 8
Survey locations: 5

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
25.6 cm	9 Jun 2015	S5 Strangeways	144871
15.6 cm	9 Jun 2009	S1 Gillingham	117521
12 cm	6 Jul 2004	S4 St Mary's Marnhull	80311
11.6 cm	14 Jun 2016	S1 Gillingham	148351
11.4 cm	7 Jun 2011	S2 Upstream Eccliffe	126487
8.2 cm	13 May 2004	S5R Iford Bridge to Hengistbury Head	79896
7.6 cm	8 Jun 2023	S1 Gillingham	162473
6.8 cm	8 Jun 2023	S1 Gillingham	162473

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
S1 Gillingham	9 Jun 2009	8 Jun 2023	3
S5 Strangeways	9 Jun 2015	9 Jun 2015	1
S2 Upstream Eccliffe	7 Jun 2011	7 Jun 2011	1
S4 St Mary's Marnhull	6 Jul 2004	6 Jul 2004	1
S5R Iford Bridge to Hengistbury Head	13 May 2004	13 May 2004	1

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

2004–2023

Survey records by year

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

204

005

006

007

008

109

010

111

012

013

014

115

116

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 8 measured fish were spread across different length ranges.

Smallest: 6.8 cm
Lower quarter: 8.1 cm
Median: 11.5 cm
Upper quarter: 12.9 cm
Largest: 25.6 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 Main river sites

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

Minnow Bullhead European eel Dace Stone loach Chub

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 →