RiverFish

Roach · Rutilus rutilus

Roach in the Downholland Brook

Largest measured roach: 28 cm

The largest roach measured in Environment Agency surveys of the Downholland Brook was 28 cm, recorded at Fine Jane Depot on 9 July 1997.

Across 410 measured roach, the median measured length was 11 cm.

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

See roach records across England →

Most recent observation19 October 2015Moss Lane · 3 fish
Largest measured roach
28 cm
Median length
11 cm
Fish measured
410
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
28 cm9 Jul 1997Fine Jane Depot114754
26 cm9 Jul 1997Fine Jane Depot114754
25 cm9 Jul 1997Fine Jane Depot114754
24 cm9 Jul 1997Fine Jane Depot114754
24 cm9 Jul 1997Fine Jane Depot114754
24 cm9 Jul 1997Fine Jane Depot114754
22.9 cm16 Jul 2001d/s Cheshire lines90497
22.5 cm23 Aug 2005d/s Cheshire lines88127
21 cm9 Jul 1997Fine Jane Depot114754
21 cm9 Jul 1997Fine Jane Depot114754

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
Moss Lane19 Oct 201519 Oct 20151
d/s Cheshire lines9 Jul 199723 Aug 20053
Fine Jane Depot9 Jul 19979 Jul 19971
ptc Alt4 Sept 19964 Sept 19961

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

1996–2015

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 410 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
8.1 cm
Median
11 cm
Upper quarter
13 cm
Largest
28 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Downholland Brook

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

European eel Gudgeon 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 →