Roach · Rutilus rutilus

Roach in the Mablethorpe Cut FMU

Largest measured roach: 26.3 cm

The largest roach measured in Environment Agency surveys of the Mablethorpe Cut FMU was 26.3 cm, recorded at Theddlethorpe on 29 April 1992.

Across 332 measured roach, the median measured length was 11.3 cm.

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

See roach records across England →

Most recent observation15 June 2015Theddlethorpe · 100 fish
Largest measured roach
26.3 cm
Median length
11.3 cm
Fish measured
332
Survey locations
4

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
26.3 cm29 Apr 1992Theddlethorpe57656
24 cm8 Jun 1995Harps Bridge57687
23.6 cm7 Jun 1995Theddlethorpe57686
22.2 cm8 Jun 1995Harps Bridge57687
21.6 cm8 Jun 1995Harps Bridge57687
21.4 cm7 Jun 1995Theddlethorpe57686
21.3 cm8 Jun 1995Harps Bridge57687
21.1 cm7 Jun 1995Theddlethorpe57686
20.9 cm7 Jun 1995Theddlethorpe57686
20.6 cm8 Jun 1995Harps Bridge57687

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
Theddlethorpe13 Oct 198915 Jun 20154
Mablethorpe15 Jun 201515 Jun 20151
Bleak House14 May 19925 Oct 19952
Harps Bridge17 Oct 19898 Jun 19953

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

1989–2015

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 332 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
9.1 cm
Median
11.3 cm
Upper quarter
13.2 cm
Largest
26.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Mablethorpe Cut FMU

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

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 →