Ruffe · Gymnocephalus cernuus

Ruffe in the River Wensum (central)

Largest measured ruffe: 15.5 cm

The largest ruffe measured in Environment Agency surveys of the River Wensum (central) was 15.5 cm, recorded at Attlebridge Hall Farm on 29 September 2006.

Across 45 measured ruffe, the median measured length was 11.2 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 Wensum (central).

See ruffe records across England →

Most recent observation13 September 2007Hellesdon Road (Albert's) · 1 fish

Largest measured ruffe: 15.5 cm
Median length: 11.2 cm
Fish measured: 45
Survey locations: 13

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
15.5 cm	29 Sept 2006	Attlebridge Hall Farm	101842
15.4 cm	20 Jul 1990	Castle Farm	17255
15.2 cm	14 May 1997	Downstream Elsing Mill	17333
14.5 cm	14 May 1997	Downstream Elsing Mill	17333
14.1 cm	13 Jun 1994	Castle Farm	17307
13.9 cm	15 May 1997	Lyng Pits	17346
13.4 cm	16 Sept 1986	Upstream Costessey Mill	17235
13.4 cm	24 Jul 1986	Swan Rescue	17234
13.3 cm	3 Aug 1994	Blakes Meadow	17320
13 cm	12 Oct 2004	Hellesdon Road (Albert's)	83691

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
Hellesdon Road (Albert's)	4 Aug 1986	13 Sept 2007	6
Attlebridge Hall Farm	29 Sept 2006	29 Sept 2006	1
Upstream Lenwade Mill	31 Jul 1990	1 Oct 2003	4
Heigham Waterworks	5 Aug 1997	5 Aug 1997	1
Costessey Pits	24 Jul 1997	24 Jul 1997	1
Walcis Farm	30 Jul 1990	6 Jun 1997	3
Lyng Pits	15 May 1997	15 May 1997	1
Downstream Elsing Mill	14 May 1997	14 May 1997	1
Blakes Meadow	3 Aug 1994	3 Aug 1994	1
Castle Farm	20 Jul 1990	13 Jun 1994	2
Upstream Costessey Mill	16 Sept 1986	16 Sept 1986	1
Upstream Paddling Pool	13 Aug 1986	13 Aug 1986	1
Swan Rescue	24 Jul 1986	24 Jul 1986	1

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

1986–2007

Survey records by year

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

486

087

088

089

390

091

092

093

494

095

096

797

098

099

000

001

002

203

104

105

106

107

Fish measured by surveyors

Measured length distribution

See how the 45 measured fish were spread across different length ranges.

Smallest: 4.6 cm
Lower quarter: 9.8 cm
Median: 11.2 cm
Upper quarter: 12.7 cm
Largest: 15.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (central)

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

Pike Dace Roach European eel Perch Gudgeon

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 →