Ruffe · Gymnocephalus cernuus

Ruffe in the C&B Navigation (Long Pond)

Largest measured ruffe: 13.2 cm

The largest ruffe measured in Environment Agency surveys of the C&B Navigation (Long Pond) was 13.2 cm, recorded at Beeleigh Golf Course on 30 September 1998.

Across 306 measured ruffe, the median measured length was 8.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the C&B Navigation (Long Pond).

See ruffe records across England →

Most recent observation15 June 2007Iron Bridge (C&B Canal) · 3 fish

Largest measured ruffe: 13.2 cm
Median length: 8.6 cm
Fish measured: 306
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.

Length	Survey date	Survey location	Survey ID
13.2 cm	30 Sept 1998	Beeleigh Golf Course	14419
13 cm	30 Sept 1998	Beeleigh Golf Course	14419
13 cm	30 Sept 1998	Beeleigh Golf Course	14419
12.5 cm	30 Sept 1998	Beeleigh Golf Course	14419
12.3 cm	15 Jun 2007	Iron Bridge (C&B Canal)	105751
12.2 cm	22 Jun 1998	Heybridge Viaduct	14418
12.2 cm	4 Oct 1989	Iron Bridge (C&B Canal)	14297
12.1 cm	22 Jun 1998	Heybridge Viaduct	14418
12 cm	22 Jun 1998	Heybridge Viaduct	14418
12 cm	22 Jun 1998	Heybridge Viaduct	14418

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
Iron Bridge (C&B Canal)	13 Oct 1986	15 Jun 2007	8
Heybridge Viaduct	18 Jun 1986	6 Jun 2007	5
Beeleigh Golf Course	3 Oct 1989	4 Jun 2007	5

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.

286

087

088

289

090

091

392

093

094

295

096

097

398

099

000

101

002

003

204

005

006

307

Fish measured by surveyors

Measured length distribution

See how the 306 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 7.9 cm
Median: 8.6 cm
Upper quarter: 10 cm
Largest: 13.2 cm

0–99 mm

222

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the C&B Navigation (Long Pond)

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

European eel Perch Roach Pike Common bream 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 →