Ruffe · Gymnocephalus cernuus

Ruffe in the River Blythe

Largest measured ruffe: 14.3 cm

The largest ruffe measured in Environment Agency surveys of the River Blythe was 14.3 cm, recorded at Blythe Mill on 15 March 2005.

Across 8 measured ruffe, the median measured length was 10.4 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 Blythe.

See ruffe records across England →

Most recent observation14 June 2018Sandalls Bridge · 1 fish

Largest measured ruffe: 14.3 cm
Median length: 10.4 cm
Fish measured: 8
Survey locations: 3

Individual EA measurements

Largest measured ruffe

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
14.3 cm	15 Mar 2005	Blythe Mill	84280
12 cm	4 Apr 1990	Blythe Mill	4224
11.9 cm	23 May 2002	Downstream Eastcote Brook	50462
11 cm	27 Mar 2003	Blythe Mill	75776
9.8 cm	27 Mar 2003	Blythe Mill	75776
9.7 cm	27 Mar 2003	Blythe Mill	75776
8.5 cm	14 Jun 2018	Sandalls Bridge	153155
6.7 cm	24 Apr 2002	Blythe Mill	26196

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

Explore the river

Where ruffe were found

Each point marks a survey location with at least one ruffe 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 ruffe
Sandalls Bridge	14 Jun 2018	14 Jun 2018	1
Blythe Mill	4 Apr 1990	15 Mar 2005	4
Downstream Eastcote Brook	23 May 2002	23 May 2002	1

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

1990–2018

Survey records by year

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

190

091

092

093

094

095

096

097

098

099

000

001

202

103

004

105

006

007

008

009

010

011

012

013

014

015

016

017

118

Fish measured by surveyors

Measured length distribution

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

Smallest: 6.7 cm
Lower quarter: 9.4 cm
Median: 10.4 cm
Upper quarter: 11.9 cm
Largest: 14.3 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blythe

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

Bullhead Gudgeon Minnow Roach Dace 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 →