Ruffe · Gymnocephalus cernuus

Ruffe in the River Reach Lode

Largest measured ruffe: 12.8 cm

The largest ruffe measured in Environment Agency surveys of the River Reach Lode was 12.8 cm, recorded at Hallards Fen on 29 May 1997.

Across 18 measured ruffe, the median measured length was 7.5 cm.

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

See ruffe records across England →

Most recent observation20 June 2014Hallards Fen · 1 fish

Largest measured ruffe: 12.8 cm
Median length: 7.5 cm
Fish measured: 18
Survey locations: 2

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
12.8 cm	29 May 1997	Hallards Fen	29400
11.3 cm	20 Jun 2014	Hallards Fen	141259
11.3 cm	13 May 1993	Hallards Fen	29398
11.3 cm	13 Aug 1990	Reach	29395
10.8 cm	16 Nov 1987	Hallards Fen	29394
9.8 cm	13 May 1993	Hallards Fen	29398
9.3 cm	13 May 1993	Hallards Fen	29398
8.8 cm	13 Aug 1990	Reach	29395
7.8 cm	13 May 1993	Hallards Fen	29398
7.3 cm	13 May 1993	Hallards Fen	29398

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
Hallards Fen	26 Sept 1984	20 Jun 2014	6
Reach	25 Sept 1984	19 Jul 2010	4

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 ruffe that year.

284

085

086

187

088

089

190

091

092

193

094

095

096

197

098

099

000

001

002

103

004

005

006

007

008

009

210

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 6.3 cm
Lower quarter: 6.8 cm
Median: 7.6 cm
Upper quarter: 10.6 cm
Largest: 12.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Reach Lode

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

Roach European eel Perch Pike Bitterling Common bream

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 →