Roach · Rutilus rutilus

Roach in the River Hamble

Largest measured roach: 24.4 cm

The largest roach measured in Environment Agency surveys of the River Hamble was 24.4 cm, recorded at Lower Wangfield Farm Meadow on 4 June 2015.

Across 111 measured roach, the median measured length was 13.4 cm.

Surveyors recorded weights for 94 roach. The median was 1.3 oz (0.036 kg) and the largest recorded weight was 3.6 oz (0.101 kg).

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

See roach records across England →

Most recent observation4 June 2015Upstream of railway viaduct · 5 fish

Largest measured roach: 24.4 cm
Median length: 13.4 cm
Fish measured: 111
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
24.4 cm	4 Jun 2015	Lower Wangfield Farm Meadow	144863
22.1 cm	4 Jun 2015	Upstream of railway viaduct	144864
19.4 cm	4 Jun 2015	Upstream of railway viaduct	144864
18.8 cm	14 Aug 2001	Botleigh Grange	24563
18.5 cm	30 Aug 2002	Botleigh Grange	55100
18.5 cm	30 Aug 2002	Botleigh Grange	55100
18.4 cm	4 Jun 2015	Lower Wangfield Farm Meadow	144863
17.9 cm	13 Sept 2012	Lower Wangfield Farm Meadow	133898
17.5 cm	30 Aug 2002	Botleigh Grange	55100
17.2 cm	4 Jun 2015	Lower Wangfield Farm Meadow	144863

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
Upstream of railway viaduct	21 Aug 2012	4 Jun 2015	2
Lower Wangfield Farm Meadow	18 Jun 2009	4 Jun 2015	3
Frog Mill	28 May 2007	16 May 2013	2
Durley Mill	1 Jun 2007	1 Jun 2007	1
Botleigh Grange	14 Aug 2001	30 Aug 2002	2
Greywood	27 Aug 2002	27 Aug 2002	1

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

2001–2015

Survey records by year

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

101

202

003

004

005

006

207

008

109

010

011

212

113

014

215

Fish measured by surveyors

Measured length distribution

See how the 111 measured fish were spread across different length ranges.

Smallest: 4.4 cm
Lower quarter: 11.2 cm
Median: 13.4 cm
Upper quarter: 14.9 cm
Largest: 24.4 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 94 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.006 kg)
Lower quarter: 0.8 oz (0.022 kg)
Median: 1.3 oz (0.036 kg)
Upper quarter: 1.7 oz (0.049 kg)
Heaviest: 3.6 oz (0.101 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Hamble

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

Brown / sea trout European eel Bullhead Grayling Brook lamprey 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 →