Roach · Rutilus rutilus

Roach in the River Uck

Largest measured roach: 25.5 cm

The largest roach measured in Environment Agency surveys of the River Uck was 25.5 cm, recorded at Buxted Bridge on 3 November 2009.

Across 692 measured roach, the median measured length was 9.7 cm.

Surveyors recorded weights for 387 roach. The median was 0.5 oz (0.013 kg) and the largest recorded weight was 6.8 oz (0.194 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 Uck.

See roach records across England →

Most recent observation14 August 2025Uckfield · 10 fish

Largest measured roach: 25.5 cm
Median length: 9.7 cm
Fish measured: 692
Survey locations: 13

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
25.5 cm	3 Nov 2009	Buxted Bridge	119954
23 cm	17 Aug 2015	Honey Green Caravan Park	145960
22 cm	2 Sept 2003	Owlsbury Farm	76920
20.9 cm	4 Sept 2015	Buxted Bridge	146661
20.8 cm	12 Aug 2011	Bradfords Bridge	127374
20.4 cm	12 Aug 2011	Bradfords Bridge	127374
20.2 cm	6 Aug 2007	Isfield Weir	106991
20 cm	17 Aug 2015	Honey Green Caravan Park	145960
19.6 cm	6 Aug 2007	Isfield Weir	106991
19.5 cm	8 Sept 2011	Buxted Weir	127794

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
Uckfield	21 Sept 2023	14 Aug 2025	3
Isfield Weir	23 Aug 2002	7 Aug 2025	8
Framfield Stream, Arches Farm	20 Aug 2015	6 Aug 2025	2
Buxted Bridge	20 Aug 2003	17 Sept 2024	6
Honey Green Caravan Park	8 Aug 2013	7 Aug 2024	3
Upstream Isfield Gate	10 Oct 2019	14 Jul 2023	2
Stroodland Wood	9 Sept 2014	9 Sept 2014	1
Buxted Weir	8 Sept 2011	8 Sept 2011	1
Bradfords Bridge	12 Aug 2011	12 Aug 2011	1
Owlsbury Farm	2 Sept 2003	5 Sept 2007	5
Little Horsted	17 Sept 2003	17 Sept 2003	1
Ridgewood Bridge	3 Sept 2003	3 Sept 2003	1
Great Streele	20 Aug 2003	20 Aug 2003	1

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

2002–2025

Survey records by year

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

102

603

204

205

206

207

008

109

010

311

012

213

214

315

016

017

018

119

020

021

022

223

324

325

Fish measured by surveyors

Measured length distribution

See how the 692 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 7.1 cm
Median: 9.7 cm
Upper quarter: 13.1 cm
Largest: 25.5 cm

0–99 mm

364

100–199 mm

320

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 387 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.004 kg)
Median: 0.5 oz (0.013 kg)
Upper quarter: 1.3 oz (0.0365 kg)
Heaviest: 6.8 oz (0.194 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 Uck

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

Stone loach Minnow Bullhead Gudgeon Chub Brown / sea trout

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 →