Roach · Rutilus rutilus

Roach in the Eel Survey

Largest measured roach: 33.2 cm

The largest roach measured in Environment Agency surveys of the Eel Survey was 33.2 cm, recorded at Eastville Park on 3 July 2013.

Across 1,662 measured roach, the median measured length was 10.8 cm.

Surveyors recorded weights for 215 roach. The median was 0.2 oz (0.007 kg) and the largest recorded weight was 2.9 oz (0.083 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Eel Survey.

See roach records across England →

Most recent observation29 August 2013Bathpool · 139 fish

Largest measured roach: 33.2 cm
Median length: 10.8 cm
Fish measured: 1,662
Survey locations: 10

Individual EA measurements

Largest measured roach

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
33.2 cm	3 Jul 2013	Eastville Park	139725
31.8 cm	29 Aug 2013	Bathpool	139751
28.5 cm	29 Aug 2013	Bathpool	139751
28.5 cm	1 Sept 2009	Bathpool	118815
25.8 cm	29 Aug 2013	Bathpool	139751
25.4 cm	9 Sept 2009	Noddy's House	118864
25.1 cm	9 Sept 2009	Noddy's House	118864
25 cm	3 Aug 2007	Bow Bridge	110659
24.8 cm	13 Jul 2011	Eastville Park	127121
24.7 cm	1 Sept 2009	Bathpool	118815

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Bathpool	7 Sept 2007	29 Aug 2013	4
Huntspill at Sloway	8 Aug 2006	22 Aug 2013	94
Bow Bridge	3 Aug 2007	16 Jul 2013	4
Riverside Farm	19 Jul 2007	4 Jul 2013	3
Eastville Park	9 Aug 2007	3 Jul 2013	5
Stanton Drew	23 Aug 2007	21 Aug 2012	4
Noddy's House	5 Jun 2008	9 Sept 2009	2
Ashford Farm	20 Jul 2007	20 Aug 2009	3
Oath Lock Downstream	11 Aug 2009	12 Aug 2009	2
Sloway extra	4 Aug 2009	4 Aug 2009	1

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

2006–2013

Survey records by year

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

1306

1507

1608

2009

1110

1711

1712

1313

Fish measured by surveyors

Measured length distribution

See how the 1,662 measured fish were spread across different length ranges.

Smallest: 2.4 cm
Lower quarter: 8 cm
Median: 10.8 cm
Upper quarter: 13.5 cm
Largest: 33.2 cm

0–99 mm

702

100–199 mm

908

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 215 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.003 kg)
Lower quarter: 0.2 oz (0.006 kg)
Median: 0.2 oz (0.007 kg)
Upper quarter: 0.6 oz (0.016 kg)
Heaviest: 2.9 oz (0.083 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Eel Survey

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

European eel Gudgeon Bullhead Perch Stone loach Brown / sea trout

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 →