Ruffe · Gymnocephalus cernuus

Ruffe in the River Tern

Largest measured ruffe: 14.6 cm

The largest ruffe measured in Environment Agency surveys of the River Tern was 14.6 cm, recorded at Rushmoor on 29 April 2009.

Across 15 measured ruffe, the median measured length was 7.8 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 Tern.

See ruffe records across England →

Most recent observation26 September 2019Attingham Fry Site · 14 fish

Largest measured ruffe: 14.6 cm
Median length: 7.8 cm
Fish measured: 15
Survey locations: 4

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
14.6 cm	29 Apr 2009	Rushmoor	117193
8.6 cm	26 Sept 2019	Attingham Fry Site	155533
8.4 cm	26 Sept 2019	Attingham Fry Site	155533
8.3 cm	26 Sept 2019	Attingham Fry Site	155533
8 cm	26 Sept 2019	Attingham Fry Site	155533
7.9 cm	26 Sept 2019	Attingham Fry Site	155533
7.8 cm	26 Sept 2019	Attingham Fry Site	155533
7.8 cm	26 Sept 2019	Attingham Fry Site	155533
7.8 cm	26 Sept 2019	Attingham Fry Site	155533
7.6 cm	26 Sept 2019	Attingham Fry Site	155533

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
Attingham Fry Site	26 Sept 2019	26 Sept 2019	1
Attingham sluice gate	8 Dec 2017	8 Dec 2017	1
Rushmoor	29 Apr 2009	29 Apr 2009	1
Crudgington	27 Apr 1992	27 Apr 1992	1

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

1992–2019

Survey records by year

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

192

093

094

095

096

097

098

099

000

001

002

003

004

005

006

007

008

109

010

011

012

013

014

015

016

117

018

119

Fish measured by surveyors

Measured length distribution

See how the 15 measured fish were spread across different length ranges.

Smallest: 6.9 cm
Lower quarter: 7.4 cm
Median: 7.8 cm
Upper quarter: 8.2 cm
Largest: 14.6 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tern

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

Gudgeon Minnow Chub Roach Bullhead 3-spined stickleback

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 →