RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Gipping (Main Reaches)

Largest measured ruffe: 18.5 cm

The largest ruffe measured in Environment Agency surveys of the River Gipping (Main Reaches) was 18.5 cm, recorded at Sproughton Intake on 3 May 2006.

Across 595 measured ruffe, the median measured length was 9.9 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 Gipping (Main Reaches).

See ruffe records across England →

Most recent observation29 April 2025Sproughton Intake · 27 fish
Largest measured ruffe
18.5 cm
Median length
9.9 cm
Fish measured
595
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.

LengthSurvey dateSurvey locationSurvey ID
18.5 cm3 May 2006Sproughton Intake90711
16.8 cm13 Apr 2010Downstream Bramford Lock121373
15.6 cm13 Apr 2010Downstream Bramford Lock121373
15.4 cm11 Apr 2008Downstream Bramford Lock110757
15.3 cm29 Apr 2025Sproughton Intake177111
15.1 cm13 Apr 2010Downstream Bramford Lock121373
15.1 cm10 Apr 2008Sproughton Intake110753
15 cm22 Apr 2013Sproughton Intake135916
14.9 cm4 May 2016Downstream Bramford Lock148011
14.8 cm22 Apr 2013Sproughton Intake135916

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 surveyedFirst recordedLast recordedVisits finding ruffe
Sproughton Intake9 Nov 198929 Apr 202517
Downstream Bramford Lock26 Apr 200123 Apr 202515
Sproughton B.S.C.27 Jun 199627 Jun 19961

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

1989–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 595 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
8.2 cm
Median
9.9 cm
Upper quarter
11.3 cm
Largest
18.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gipping (Main Reaches)

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

Pike Roach European eel Perch Dace Tench

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 →