RiverFish

Roach · Rutilus rutilus

Roach in the River North Delph

Largest measured roach: 32.8 cm

The largest roach measured in Environment Agency surveys of the River North Delph was 32.8 cm, recorded at Fiskerton (North Delph) on 18 March 1988.

Across 3,969 measured roach, the median measured length was 15.4 cm.

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

See roach records across England →

Most recent observation23 September 1998Long Wood (North Delph) · 271 fish
Largest measured roach
32.8 cm
Median length
15.4 cm
Fish measured
3,969
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.

LengthSurvey dateSurvey locationSurvey ID
32.8 cm18 Mar 1988Fiskerton (North Delph)53169
31.6 cm23 Sept 1998Long Wood (North Delph)53435
31.6 cm10 Apr 1985Short Ferry P/S (North Delph)53071
31.4 cm1 Aug 1994Fiskerton (North Delph)53314
31.3 cm16 Mar 1988Short Ferry P/S (North Delph)53171
31.3 cm16 Mar 1988Short Ferry P/S (North Delph)53171
31.2 cm16 Mar 1988Short Ferry P/S (North Delph)53171
31.1 cm10 Apr 1985Short Ferry P/S (North Delph)53071
30.9 cm10 Apr 1985Short Ferry P/S (North Delph)53071
30.7 cm16 Mar 1988Short Ferry P/S (North Delph)53171

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
Long Wood (North Delph)17 Apr 198523 Sept 19984
Fiskerton (North Delph)16 Apr 198523 Sept 19984
Short Ferry P/S (North Delph)10 Apr 198517 Sept 19984

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

1985–1998

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 3,969 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
11.9 cm
Median
15.4 cm
Upper quarter
17.2 cm
Largest
32.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River North Delph

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

Pike Perch Stone loach

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 →