Roach · Rutilus rutilus

Roach in the Watton Brook

Largest measured roach: 22.8 cm

The largest roach measured in Environment Agency surveys of the Watton Brook was 22.8 cm, recorded at Linghills Farm on 19 January 1993.

Across 58 measured roach, the median measured length was 17.8 cm.

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

See roach records across England →

Most recent observation25 February 2000Linghills Farm · 5 fish

Largest measured roach: 22.8 cm
Median length: 17.8 cm
Fish measured: 58
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.

Length	Survey date	Survey location	Survey ID
22.8 cm	19 Jan 1993	Linghills Farm	30232
20.8 cm	7 Feb 1990	Hopton Farm	30226
20.8 cm	7 Feb 1990	Hopton Farm	30226
20.8 cm	7 Feb 1990	Hopton Farm	30226
20.3 cm	25 Feb 2000	Linghills Farm	30223
20.3 cm	19 Jan 1993	Linghills Farm	30232
20.3 cm	12 Feb 1990	Linghills Farm	30227
20.3 cm	7 Feb 1990	Hopton Farm	30226
20.3 cm	7 Feb 1990	Hopton Farm	30226
19.8 cm	12 Feb 1990	Linghills Farm	30227

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
Linghills Farm	12 Feb 1990	25 Feb 2000	4
Watton	8 Jan 1993	8 Jan 1993	1
Hopton Farm	7 Feb 1990	7 Feb 1990	1

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

1990–2000

Survey records by year

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

290

091

092

293

094

095

196

097

098

099

100

Fish measured by surveyors

Measured length distribution

See how the 58 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 13.9 cm
Median: 17.8 cm
Upper quarter: 19.3 cm
Largest: 22.8 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Watton Brook

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

Gudgeon Stone loach Dace European eel Bullhead 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 →