Roach · Rutilus rutilus

Roach in the Medbourne Brook

Largest measured roach: 25.5 cm

The largest roach measured in Environment Agency surveys of the Medbourne Brook was 25.5 cm, recorded at Blaston - Medbourne Brook on 4 April 1990.

Across 200 measured roach, the median measured length was 12.2 cm.

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

See roach records across England →

Most recent observation27 April 2009Medbourne - Medbourne Brook · 1 fish

Largest measured roach: 25.5 cm
Median length: 12.2 cm
Fish measured: 200
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
25.5 cm	4 Apr 1990	Blaston - Medbourne Brook	54542
24.5 cm	3 Apr 1990	Medbourne - Medbourne Brook	54540
23 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
22 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
22 cm	17 Mar 1993	Medbourne - Medbourne Brook	54551
21.5 cm	3 Apr 1990	Medbourne - Medbourne Brook	54540
21 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
21 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
21 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
21 cm	17 Mar 1993	Medbourne - Medbourne Brook	54551

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
Medbourne - Medbourne Brook	3 Apr 1990	27 Apr 2009	5
Upstream Medbourne	28 Apr 2008	28 Apr 2008	1
Medbourne Village	4 Apr 1990	4 Apr 1990	1
Blaston - Medbourne Brook	4 Apr 1990	4 Apr 1990	1

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

1990–2009

Survey records by year

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

390

091

092

193

094

095

196

097

098

099

000

001

002

003

004

005

006

007

208

109

Fish measured by surveyors

Measured length distribution

See how the 200 measured fish were spread across different length ranges.

Smallest: 3 cm
Lower quarter: 9 cm
Median: 12.3 cm
Upper quarter: 16 cm
Largest: 25.5 cm

0–99 mm

100–199 mm

129

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medbourne Brook

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

Chub Minnow Stone loach 3-spined stickleback Dace Gudgeon

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 →