Roach · Rutilus rutilus

Roach in the Twenty Foot Drain

Largest measured roach: 31.3 cm

The largest roach measured in Environment Agency surveys of the Twenty Foot Drain was 31.3 cm, recorded at Goosetree Corner on 26 August 1994.

Across 21,648 measured roach, the median measured length was 9.3 cm.

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

See roach records across England →

Most recent observation6 May 2026Hobbs Lot Bridge · 180 fish

Largest measured roach: 31.3 cm
Median length: 9.3 cm
Fish measured: 21,648
Survey locations: 6

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
31.3 cm	26 Aug 1994	Goosetree Corner	29530
30.8 cm	7 Jul 1987	Hobbs Lot Bridge	29519
30.3 cm	26 Aug 1994	Goosetree Corner	29530
29.3 cm	26 Aug 1994	Goosetree Corner	29530
28.8 cm	26 Aug 1994	Goosetree Corner	29530
28.5 cm	26 Aug 1994	Goosetree Corner	29530
28.3 cm	26 Aug 1994	Goosetree Corner	29530
28.3 cm	30 Aug 1991	Hobbs Lot Bridge	29525
27.8 cm	26 Aug 1994	Goosetree Corner	29530
27.3 cm	26 Aug 1994	Goosetree Corner	29530

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
Hobbs Lot Bridge	7 Jul 1987	6 May 2026	12
Goosetree Corner	5 Jul 1987	30 Apr 2026	13
Holloways Bridge	10 Jun 1987	28 Apr 2026	6
Chainbridge	8 Jul 1987	21 Sept 2011	10
Shepperson's Bridge	13 Jul 1987	2 Jun 2011	10
Poplartree Bridge	8 Jun 1987	31 May 2011	10

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

1987–2026

Survey records by year

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

687

088

089

090

691

092

093

694

095

096

097

098

499

000

001

002

503

504

505

506

007

008

509

010

511

012

013

014

015

016

317

018

019

020

021

022

323

024

025

326

Fish measured by surveyors

Measured length distribution

See how the 21,648 measured fish were spread across different length ranges.

Smallest: 1.7 cm
Lower quarter: 8.2 cm
Median: 9.3 cm
Upper quarter: 12 cm
Largest: 31.3 cm

0–99 mm

12853

100–199 mm

8642

200–299 mm

150

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Twenty Foot Drain

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

Perch Common bream Pike Ruffe Rudd Tench

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 →