Roach · Rutilus rutilus

Roach in the River Avon (Hampshire)

Largest measured roach: 28.9 cm

The largest roach measured in Environment Agency surveys of the River Avon (Hampshire) was 28.9 cm, recorded at The Moot on 3 July 2003.

Across 110 measured roach, the median measured length was 12.3 cm.

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

See roach records across England →

Most recent observation12 October 2022The Moot · 17 fish

Largest measured roach: 28.9 cm
Median length: 12.3 cm
Fish measured: 110
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.

Length	Survey date	Survey location	Survey ID
28.9 cm	3 Jul 2003	The Moot	78450
27 cm	8 Jul 2010	The Moot	122683
26.8 cm	3 Jul 2003	The Moot	78450
24.2 cm	3 Jul 2003	The Moot	78450
20.1 cm	3 Jul 2003	The Moot	78450
20 cm	3 Jul 2003	The Moot	78450
19.6 cm	12 Oct 2022	The Moot	162023
19.5 cm	3 Jul 2003	The Moot	78450
19.3 cm	3 Jul 2003	The Moot	78450
19.3 cm	3 Jul 2003	The Moot	78450

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
The Moot	3 Jul 2003	12 Oct 2022	4
Kings Stream Upstream Bridge	10 Sept 2019	10 Sept 2019	1
King's Stream	28 Oct 2003	27 Sept 2007	3

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

2003–2022

Survey records by year

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

203

104

005

006

107

008

009

110

011

012

013

114

015

016

017

018

119

020

021

122

Fish measured by surveyors

Measured length distribution

See how the 110 measured fish were spread across different length ranges.

Smallest: 4.6 cm
Lower quarter: 9.6 cm
Median: 12.3 cm
Upper quarter: 17.6 cm
Largest: 28.9 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Avon (Hampshire)

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

Brown / sea trout European eel Gudgeon Atlantic salmon Chub Dace

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 →