Roach · Rutilus rutilus

Roach in the River Tidal Ant

Largest measured roach: 26.4 cm

The largest roach measured in Environment Agency surveys of the River Tidal Ant was 26.4 cm, recorded at Upstream Ludham Bridge on 13 July 2000.

Across 1,347 measured roach, the median measured length was 7.6 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 Tidal Ant.

See roach records across England →

Most recent observation22 August 2000Sutton Dyke · 215 fish

Largest measured roach: 26.4 cm
Median length: 7.6 cm
Fish measured: 1,347
Survey locations: 10

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
26.4 cm	13 Jul 2000	Upstream Ludham Bridge	18755
25.5 cm	9 Aug 2000	Downstream Irstead Church	18752
25.5 cm	9 Aug 2000	Downstream Irstead Church	18752
24.9 cm	30 Jul 1996	Johnson Street	16709
23.5 cm	9 Aug 2000	Downstream Irstead Church	18752
23.4 cm	13 Jul 2000	Upstream Ludham Bridge	18755
23.2 cm	13 Jul 2000	Upstream Ludham Bridge	18755
23 cm	9 Aug 2000	Downstream Irstead Church	18752
21.2 cm	13 Jul 2000	Upstream Ludham Bridge	18755
20.5 cm	9 Aug 2000	Downstream Irstead Church	18752

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
Sutton Dyke	31 Jul 1996	22 Aug 2000	2
Downstream Tonnage Bridge	31 Jul 1996	22 Aug 2000	2
Upstream Canal Confluence	17 Aug 2000	17 Aug 2000	1
Downstream Wayford Bridge No2	31 Jul 1996	16 Aug 2000	2
Downstream Irstead Church	30 Jul 1996	9 Aug 2000	2
Johnson Street	30 Jul 1996	3 Aug 2000	2
How Hill	3 Aug 2000	3 Aug 2000	1
Upstream Ludham Bridge	13 Jul 2000	13 Jul 2000	1
Downstream Ludham Bridge	30 Jul 1996	13 Jul 2000	2
Upstream Ant Mouth	11 Jul 2000	11 Jul 2000	1

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

1996–2000

Survey records by year

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

696

097

098

099

1000

Fish measured by surveyors

Measured length distribution

See how the 1,347 measured fish were spread across different length ranges.

Smallest: 2.3 cm
Lower quarter: 6.8 cm
Median: 7.6 cm
Upper quarter: 9.9 cm
Largest: 26.4 cm

0–99 mm

1022

100–199 mm

312

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tidal Ant

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

Perch Common bream Ruffe Flounder 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 →