Roach · Rutilus rutilus

Roach in the Kirby Brook

Largest measured roach: 31.8 cm

The largest roach measured in Environment Agency surveys of the Kirby Brook was 31.8 cm, recorded at Holland Haven on 8 November 1984.

Across 2,294 measured roach, the median measured length was 10.2 cm.

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

See roach records across England →

Most recent observation12 November 1999Holland Haven · 92 fish
Largest measured roach
31.8 cm
Median length
10.2 cm
Fish measured
2,294
Survey locations
2

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
31.8 cm8 Nov 1984Holland Haven14603
30.5 cm8 Nov 1984Holland Haven14603
30.5 cm8 Nov 1984Holland Haven14603
30.4 cm8 Nov 1984Holland Haven14603
30.3 cm8 Nov 1984Holland Haven14603
30.2 cm9 Nov 1993Holland Haven14631
30.2 cm8 Nov 1984Holland Haven14603
30.1 cm8 Nov 1984Holland Haven14603
30 cm8 Nov 1984Holland Haven14603
30 cm8 Nov 1984Holland Haven14603

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
Holland Haven8 Nov 198412 Nov 19996
Frinton Golf Course1 Nov 199011 Nov 19994

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

1984–1999

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 2,294 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
8.1 cm
Median
10.2 cm
Upper quarter
16.5 cm
Largest
31.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Kirby Brook

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 →