Roach · Rutilus rutilus

Roach in the Black Brook

Largest measured roach: 27.2 cm

The largest roach measured in Environment Agency surveys of the Black Brook was 27.2 cm, recorded at Froom Street on 15 September 2011.

Across 378 measured roach, the median measured length was 10 cm.

Surveyors recorded weights for 25 roach. The median was 1.1 oz (0.03 kg) and the largest recorded weight was 5.1 oz (0.146 kg).

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

See roach records across England →

Most recent observation11 September 2013Kittiwake Road · 123 fish

Largest measured roach: 27.2 cm
Median length: 10 cm
Fish measured: 378
Survey locations: 4

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
27.2 cm	15 Sept 2011	Froom Street	128043
26.8 cm	3 Sept 2010	Froom Street	123658
26.5 cm	3 Sept 2010	Froom Street	123658
25.8 cm	25 Jun 2008	Kittiwake Road	112191
24.7 cm	23 Jun 2008	Froom Street	112187
24.6 cm	30 Aug 2007	Kittiwake Road	108817
24.5 cm	15 Jun 2009	Froom Street	117384
23.6 cm	22 Oct 2012	Froom Street	134897
22.9 cm	6 Sept 2005	Froom Street	88262
22.8 cm	15 Sept 2011	Froom Street	128043

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
Kittiwake Road	18 Jun 2001	11 Sept 2013	13
Froom Street	22 Aug 2002	11 Sept 2013	18
Cross Hall Lane	3 Jul 1995	6 Sept 2005	5
Hoggs Lane	27 Jun 1995	23 Aug 2002	3

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

1995–2013

Survey records by year

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

295

096

097

098

099

000

101

602

403

104

505

406

207

208

209

410

211

112

313

Fish measured by surveyors

Measured length distribution

See how the 378 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 4.5 cm
Median: 10 cm
Upper quarter: 14.3 cm
Largest: 27.2 cm

0–99 mm

187

100–199 mm

164

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 25 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.5 oz (0.014 kg)
Median: 1.1 oz (0.03 kg)
Upper quarter: 1.6 oz (0.046 kg)
Heaviest: 5.1 oz (0.146 kg)

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

More fish in this river

Explore the Black Brook

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

Brown / sea trout European eel Perch Chub Gudgeon 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 →