Ruffe · Gymnocephalus cernuus

Ruffe in the River R.Ancholme Subcatchments

Largest measured ruffe: 16.5 cm

The largest ruffe measured in Environment Agency surveys of the River R.Ancholme Subcatchments was 16.5 cm, recorded at Saxby All Saints Bridge on 19 August 1993.

Across 3,758 measured ruffe, the median measured length was 8.3 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 R.Ancholme Subcatchments.

See ruffe records across England →

Most recent observation23 April 2018Snitterby Carrs · 6 fish

Largest measured ruffe: 16.5 cm
Median length: 8.3 cm
Fish measured: 3,758
Survey locations: 20

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
16.5 cm	19 Aug 1993	Saxby All Saints Bridge	57613
14 cm	12 Jul 1989	Broughton Bridge	57548
14 cm	8 Aug 1986	Castlethorpe Bridge	57514
13.4 cm	11 Aug 1986	Worlaby Carrs Farm	57515
13.2 cm	16 Aug 1989	Pool End Upstream Sugar Factory	57545
13.1 cm	12 Jul 1989	Broughton Bridge	57548
13.1 cm	11 Aug 1986	Worlaby Carrs Farm	57515
13 cm	17 Aug 1993	Worlaby Carrs Farm	57611
13 cm	3 Aug 1993	Redbourne Hayes No2	57602
13 cm	16 Aug 1989	Pool End Upstream Sugar Factory	57545

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
Snitterby Carrs	23 Jul 1986	23 Apr 2018	9
Old River Upstream Brigg	25 Jul 1986	25 May 2011	8
Brandy Wharf	22 Jul 1986	21 Jun 2010	11
Brigg Leisure Centre	7 Aug 1986	10 Jun 2009	7
Cadney Bridge	6 Aug 1986	28 May 2009	6
Bonby Carrs	12 Aug 1986	27 Sept 2006	10
Castlethorpe Bridge	8 Aug 1986	26 Sept 2006	10
Horkstow Bridge	14 Aug 1986	17 Aug 2004	8
Saxby All Saints Bridge	13 Aug 1986	2 Sept 1996	4
Broughton Bridge	12 Jul 1989	20 Aug 1996	3
Worlaby Carrs Farm	11 Aug 1986	19 Aug 1996	4
Pool End Upstream Sugar Factory	16 Aug 1989	13 Aug 1996	3
Hibaldstow Bridge	24 Jul 1986	7 Aug 1996	4
Peaseholme	31 Aug 1989	31 Jul 1996	2
Sallow Row Drain	22 Aug 1989	18 Jul 1996	3
Redbourne Hayes No2	3 Aug 1993	17 Jul 1996	2
Redbourne Hayes No1	22 Aug 1989	1 Sept 1993	2
Atterby	14 Nov 1989	14 Nov 1989	1
Stoneholme Redbourne	18 Aug 1989	18 Aug 1989	1
Sandhills	26 Jul 1989	26 Jul 1989	1

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

1986–2018

Survey records by year

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

1186

087

088

1989

090

091

092

1493

094

095

1696

097

098

099

000

301

502

403

404

305

406

307

308

509

210

211

012

013

014

015

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 3,758 measured fish were spread across different length ranges.

Smallest: 1.6 cm
Lower quarter: 7.3 cm
Median: 8.3 cm
Upper quarter: 9.4 cm
Largest: 16.5 cm

0–99 mm

3135

100–199 mm

623

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Ancholme Subcatchments

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

Pike Perch European eel Roach Silver bream Dace

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 →