Roach · Rutilus rutilus

Roach in the South Forty Foot Tributary Sites

Largest measured roach: 22.2 cm

The largest roach measured in Environment Agency surveys of the South Forty Foot Tributary Sites was 22.2 cm, recorded at Bellhouse Farm on 13 December 1994.

Across 46 measured roach, the median measured length was 8.7 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the South Forty Foot Tributary Sites.

See roach records across England →

Most recent observation21 December 1994Billingborough · 4 fish

Largest measured roach: 22.2 cm
Median length: 8.7 cm
Fish measured: 46
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.

Length	Survey date	Survey location	Survey ID
22.2 cm	13 Dec 1994	Bellhouse Farm	69889
20.6 cm	15 Dec 1994	Folkingham	69906
19.2 cm	15 Dec 1994	Folkingham	69906
18.5 cm	15 Dec 1994	Folkingham	69906
17.5 cm	15 Dec 1994	Folkingham	69906
15 cm	13 Dec 1994	Bellhouse Farm	69889
14.3 cm	15 Dec 1994	Folkingham	69906
13.4 cm	13 Dec 1994	Bellhouse Farm	69889
13.2 cm	13 Dec 1994	Bellhouse Farm	69889
11.7 cm	21 Dec 1994	Billingborough	69908

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
Billingborough	21 Dec 1994	21 Dec 1994	1
Folkingham	15 Dec 1994	15 Dec 1994	1
Washdyke	13 Dec 1994	13 Dec 1994	1
Bellhouse Farm	13 Dec 1994	13 Dec 1994	1

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

1994–1994

Survey records by year

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

494

Fish measured by surveyors

Measured length distribution

See how the 46 measured fish were spread across different length ranges.

Smallest: 5.1 cm
Lower quarter: 8.1 cm
Median: 8.7 cm
Upper quarter: 10.2 cm
Largest: 22.2 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 South Forty Foot Tributary Sites

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

3-spined stickleback Stone loach Gudgeon Dace 10-spined stickleback Pike

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 →