Ruffe · Gymnocephalus cernuus

Ruffe in the River Welland

Largest measured ruffe: 13.5 cm

The largest ruffe measured in Environment Agency surveys of the River Welland was 13.5 cm, recorded at Peg 397 on 1 June 1993.

Across 560 measured ruffe, the median measured length was 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 Welland.

See ruffe records across England →

Most recent observation25 July 2017Sandy Lane · 1 fish

Largest measured ruffe: 13.5 cm
Median length: 8 cm
Fish measured: 560
Survey locations: 17

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
13.5 cm	1 Jun 1993	Peg 397	54205
13.5 cm	21 Jun 1990	Upstream Tinwell Mill	54234
13 cm	22 Apr 2005	Blackgate	86632
12.9 cm	13 Oct 2016	Sandy Lane	150034
12.5 cm	24 May 2013	Sandy Lane	136082
12.5 cm	21 Jun 1990	Upstream Tinwell Mill	54234
12.4 cm	21 May 2007	Sandy Lane	105605
12.1 cm	13 Oct 2016	Sandy Lane	150034
12 cm	1 Jun 1993	Peg 397	54205
12 cm	26 May 1993	Downstream Crowland Bridge	54204

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
Sandy Lane	18 Apr 2005	25 Jul 2017	7
Blackgate	8 Jun 1993	9 May 2013	6
Stamford Meadows	14 May 2009	14 May 2009	1
Downstream Duddington Road Bridge	13 May 2009	13 May 2009	1
Run Up	21 Sept 2000	21 Sept 2000	1
Upstream Crowland Road Bridge	6 Sept 2000	6 Sept 2000	1
Wisbech Road	10 Jun 1993	24 Sept 1996	2
Downstream Clay Lake Bridge	9 Jun 1993	18 Sept 1996	2
Welland Yacht Club	11 Oct 1990	17 Sept 1996	2
New Road End	16 Jul 1996	16 Jul 1996	1
Peg 397	1 Jun 1993	11 Jul 1996	2
Peg 216	29 Jun 1993	29 Jun 1993	1
No 2 Clay Lake	28 Jun 1993	28 Jun 1993	1
Downstream Crowland Bridge	12 Oct 1990	26 May 1993	2
Peg 450	18 Oct 1990	18 Oct 1990	1
Downstream Lolham Bridge	17 Sept 1990	17 Sept 1990	1
Upstream Tinwell Mill	21 Jun 1990	21 Jun 1990	1

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

1990–2017

Survey records by year

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

590

091

092

793

094

095

596

097

098

099

200

001

002

003

104

205

006

107

208

409

010

011

012

213

014

015

116

117

Fish measured by surveyors

Measured length distribution

See how the 560 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 7 cm
Median: 8 cm
Upper quarter: 9 cm
Largest: 13.5 cm

0–99 mm

490

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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

Pike Dace European eel Roach 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 →