Roach · Rutilus rutilus

Roach in the River Cray

Largest measured roach: 32.8 cm

The largest roach measured in Environment Agency surveys of the River Cray was 32.8 cm, recorded at Thames Road on 2 October 2007.

Across 1,406 measured roach, the median measured length was 10.2 cm.

Surveyors recorded weights for 27 roach. The median was 5.9 oz (0.168 kg) and the largest recorded weight was 14.7 oz (0.418 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 Cray.

See roach records across England →

Most recent observation5 June 2024Five Arches · 22 fish

Largest measured roach: 32.8 cm
Median length: 10.2 cm
Fish measured: 1,406
Survey locations: 5

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
32.8 cm	2 Oct 2007	Thames Road	107314
28 cm	2 Aug 2002	Maiden Lane	65900
27.5 cm	20 May 2022	Five Arches	162272
27.5 cm	2 Aug 2002	Maiden Lane	65900
26.5 cm	13 Jun 2013	Five Arches Business Park	136480
25.5 cm	19 Jun 2007	Maiden Lane	106430
25.3 cm	13 Jun 2013	Five Arches Business Park	136480
25 cm	7 Sept 2010	Maiden Lane	124221
24.8 cm	14 May 2019	Maiden Lane	154486
24.8 cm	13 Jun 2013	Five Arches Business Park	136480

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
Five Arches	12 Aug 2009	5 Jun 2024	8
Maiden Lane	25 May 2001	21 May 2024	14
Hall Place	25 Jun 2001	18 May 2022	7
Five Arches Business Park	13 Jun 2013	13 Jun 2013	1
Thames Road	2 Oct 2007	2 Oct 2007	1

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

2001–2024

Survey records by year

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

201

202

103

004

105

106

207

108

209

110

311

012

313

114

115

016

317

018

219

020

021

322

023

224

Fish measured by surveyors

Measured length distribution

See how the 1,406 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 7.1 cm
Median: 10.2 cm
Upper quarter: 15.2 cm
Largest: 32.8 cm

0–99 mm

691

100–199 mm

598

200–299 mm

116

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 27 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: 4 oz (0.112 kg)
Median: 5.9 oz (0.168 kg)
Upper quarter: 7.5 oz (0.214 kg)
Heaviest: 14.7 oz (0.418 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 Cray

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

European eel Pike Perch Chub Bullhead 3-spined stickleback

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 →