Gudgeon · Gobio gobio

Gudgeon in the River Western Rother

Largest measured gudgeon: 17.8 cm

The largest gudgeon measured in Environment Agency surveys of the River Western Rother was 17.8 cm, recorded at Habin Bridge on 30 June 2005.

Across 537 measured gudgeon, the median measured length was 10.5 cm.

Surveyors recorded weights for 308 gudgeon. The median was 0.5 oz (0.014 kg) and the largest recorded weight was 2.3 oz (0.065 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 Western Rother.

See gudgeon records across England →

Most recent observation17 June 2026Woolbeding · 11 fish

Largest measured gudgeon: 17.8 cm
Median length: 10.5 cm
Fish measured: 537
Survey locations: 10

Individual EA measurements

Largest measured gudgeon

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
17.8 cm	30 Jun 2005	Habin Bridge	86725
16.3 cm	28 Jun 2005	Durford Bridge	86719
16.1 cm	12 Jun 2024	Terwick Mill	165273
16.1 cm	30 Jun 2005	Habin Bridge	86725
15.8 cm	24 Jul 2025	Terwick Mill	177522
15.7 cm	14 Jul 2004	Terwick Mill	80589
15.6 cm	10 Jul 2007	Durford Bridge	106562
15.5 cm	13 Jul 2006	Durford Bridge	101869
15.5 cm	28 Jun 2005	Durford Bridge	86719
15.4 cm	19 Jul 2004	Habin Bridge	80793

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where gudgeon were found

Each point marks a survey location with at least one gudgeon 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 gudgeon
Woolbeding	18 Jul 2002	17 Jun 2026	20
Terwick Mill	14 Jul 2004	16 Jun 2026	18
Coultershaw	24 Jul 2002	25 Jun 2025	12
Fittleworth Bridge	24 Jul 2002	20 Jun 2024	17
Stedham Mill Downstream	15 Jul 2016	15 Jul 2016	1
North Mill Bypass pool	22 Jul 2009	22 Jul 2009	1
Habin Bridge	19 Jul 2004	11 Jul 2007	4
Durford Bridge	17 Jul 2002	10 Jul 2007	6
Cowdray Estate	22 Jul 2002	19 Sept 2006	3
Hardham	24 Sept 2003	9 Sept 2005	2

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

2002–2026

Survey records by year

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

502

403

604

805

706

607

408

509

310

311

112

213

314

315

316

217

418

319

020

021

222

223

324

325

226

Fish measured by surveyors

Measured length distribution

See how the 537 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 8.9 cm
Median: 10.5 cm
Upper quarter: 12.3 cm
Largest: 17.8 cm

0–99 mm

209

100–199 mm

328

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 308 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.2 oz (0.0068 kg)
Median: 0.5 oz (0.014 kg)
Upper quarter: 0.8 oz (0.022 kg)
Heaviest: 2.3 oz (0.065 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 Western Rother

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

European eel Brown / sea trout Bullhead Stone loach Minnow Chub

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 →