RiverFish

Roach · Rutilus rutilus

Roach in the River Billinghay Skirth

Largest measured roach: 31.6 cm

The largest roach measured in Environment Agency surveys of the River Billinghay Skirth was 31.6 cm, recorded at Outfall To Witham (Billinghay) on 4 April 1985.

Across 2,855 measured roach, the median measured length was 7.5 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 Billinghay Skirth.

See roach records across England →

Most recent observation1 June 2017Billinghay Hurn · 179 fish
Largest measured roach
31.6 cm
Median length
7.5 cm
Fish measured
2,855
Survey locations
3

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
31.6 cm4 Apr 1985Outfall To Witham (Billinghay)53060
26 cm4 Apr 1985Outfall To Witham (Billinghay)53060
25.6 cm4 Apr 1985Outfall To Witham (Billinghay)53060
23.8 cm13 Jul 2000Outfall To Witham (Billinghay)59036
23.5 cm1 Jun 1988Outfall To Witham (Billinghay)53158
22.2 cm13 Jul 2000Outfall To Witham (Billinghay)59036
22.2 cm4 Apr 1985Outfall To Witham (Billinghay)53060
21.5 cm5 Jun 2014Upstream Sleeper Bridge141275
21 cm1 Jun 1988Outfall To Witham (Billinghay)53158
20.7 cm13 Jul 2000Outfall To Witham (Billinghay)59036

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 surveyedFirst recordedLast recordedVisits finding roach
Billinghay Hurn28 Mar 19851 Jun 20178
Upstream Sleeper Bridge5 Jun 20145 Jun 20141
Outfall To Witham (Billinghay)4 Apr 19853 Jun 20146

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

1985–2017

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 2,855 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
6.5 cm
Median
7.5 cm
Upper quarter
9.1 cm
Largest
31.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Billinghay Skirth

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

Perch Pike Gudgeon Common bream Silver bream European eel

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 →