Roach · Rutilus rutilus

Roach in the Blakeney Brook (Blackpool Brook)

Largest measured roach: 25.2 cm

The largest roach measured in Environment Agency surveys of the Blakeney Brook (Blackpool Brook) was 25.2 cm, recorded at Nether Hall Bridge on 22 August 2007.

Across 108 measured roach, the median measured length was 7.2 cm.

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

See roach records across England →

Most recent observation19 August 2024d/s Mallards Pike · 5 fish

Largest measured roach: 25.2 cm
Median length: 7.2 cm
Fish measured: 108
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
25.2 cm	22 Aug 2007	Nether Hall Bridge	106559
22.9 cm	3 Sept 2004	Nether Hall Bridge	82055
19.8 cm	31 Aug 2010	Nether Hall Bridge	123715
19.3 cm	9 Sept 2009	Nether Hall Bridge	118854
19 cm	12 Sept 2001	up and downstream of Blakeney Weir	23044
18.3 cm	31 Aug 2010	Nether Hall Bridge	123715
16.5 cm	30 Jul 1991	up and downstream of Blakeney Weir	62980
16.3 cm	31 Aug 2010	Nether Hall Bridge	123715
16.2 cm	30 Jul 1991	up and downstream of Blakeney Weir	62980
16 cm	31 Jul 1996	d/s Wenchford	72700

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
d/s Mallards Pike	19 Aug 2024	19 Aug 2024	1
Nether Hall Bridge	3 Sept 2004	11 Aug 2022	6
Blakeney u/s of wier	22 Aug 2007	4 Sept 2013	3
up and downstream of Blakeney Weir	30 Jul 1991	12 Sept 2001	3
d/s Wenchford	31 Jul 1996	31 Jul 1996	1
Hall Farm d/s Blakeney	24 Jul 1996	24 Jul 1996	1

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

1991–2024

Survey records by year

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

191

092

093

094

095

396

097

098

099

000

101

002

003

104

005

006

207

108

109

110

011

012

113

114

015

016

017

018

019

020

021

122

023

124

Fish measured by surveyors

Measured length distribution

See how the 108 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 6 cm
Median: 7.2 cm
Upper quarter: 11.7 cm
Largest: 25.2 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 Blakeney Brook (Blackpool Brook)

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

Brown / sea trout Bullhead Atlantic salmon European eel 3-spined stickleback Flounder

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 →