Roach · Rutilus rutilus

Roach in the Middle Level Main Drain

Largest measured roach: 28.3 cm

The largest roach measured in Environment Agency surveys of the Middle Level Main Drain was 28.3 cm, recorded at Mullicourt Aqueduct on 15 September 1994.

Across 6,671 measured roach, the median measured length was 10.8 cm.

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

See roach records across England →

Most recent observation1 August 2023Wiggenhall St Marys · 72 fish

Largest measured roach: 28.3 cm
Median length: 10.8 cm
Fish measured: 6,671
Survey locations: 8

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
28.3 cm	15 Sept 1994	Mullicourt Aqueduct	29605
27.3 cm	10 Sept 1999	Three Holes	29611
27.3 cm	6 Sept 1991	Iron Bridge	29596
25.8 cm	6 Sept 1991	Iron Bridge	29596
25.8 cm	1 Oct 1987	Peter's Drove Bridge	29593
25.3 cm	10 Sept 1991	Mortons Bridge	29598
25.3 cm	6 Sept 1991	Iron Bridge	29596
25.3 cm	2 Oct 1987	Wiggenhall St Marys	29594
25.3 cm	30 Sept 1987	Parsonage Farm	29592
24.8 cm	1 Oct 1987	Peter's Drove Bridge	29593

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
Wiggenhall St Marys	2 Oct 1987	1 Aug 2023	4
Neeps Bridge	29 Sept 1987	26 Jul 2023	8
Mullicourt Aqueduct	23 Sept 1987	20 Jul 2023	5
Three Holes	16 Sept 1987	11 Jul 2006	5
Parsonage Farm	30 Sept 1987	1 Oct 1999	4
Peter's Drove Bridge	1 Oct 1987	30 Sept 1999	4
Mortons Bridge	28 Sept 1987	16 Sept 1994	3
Iron Bridge	17 Sept 1987	14 Sept 1994	3

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

1987–2023

Survey records by year

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

887

088

089

090

891

092

093

794

095

096

097

098

599

000

001

002

003

004

005

206

007

008

109

010

111

012

013

014

015

016

117

018

019

020

021

022

323

Fish measured by surveyors

Measured length distribution

See how the 6,671 measured fish were spread across different length ranges.

Smallest: 2.4 cm
Lower quarter: 9.3 cm
Median: 10.8 cm
Upper quarter: 13.8 cm
Largest: 28.3 cm

0–99 mm

2437

100–199 mm

4101

200–299 mm

133

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Middle Level Main Drain

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

Common bream Ruffe Silver bream Perch Zander European eel

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 →