Barbel · Barbus barbus

Barbel in the River Derwent

Largest measured barbel: 75 cm

The largest barbel measured in Environment Agency surveys of the River Derwent was 75 cm, recorded at Chub Alley on 1 July 2010.

Across 317 measured barbel, the median measured length was 21.1 cm.

Surveyors recorded weights for 8 barbel. The median was 5 lb 7.7 oz (2.49 kg) and the largest recorded weight was 12 lb 3.2 oz (5.53 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 Derwent.

See barbel records across England →

Most recent observation29 September 2025Duffield Bridge · 1 fish

Largest measured barbel: 75 cm
Median length: 21.1 cm
Fish measured: 317
Survey locations: 13

Individual EA measurements

Largest measured barbel

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
75 cm	1 Jul 2010	Chub Alley	122580
70.9 cm	17 Sept 2014	Chub Alley	142862
70 cm	28 Sept 2007	Nooning Lane	107757
69.3 cm	19 Aug 2014	Cromford	142855
69.3 cm	19 May 2005	Draycott	84827
69.2 cm	4 Oct 2009	Duffield	119549
69 cm	3 Aug 2012	Chub Alley	134941
68 cm	3 Jul 2013	Cromford	137104
67.4 cm	19 Apr 2005	Nooning Lane	84826
67 cm	5 May 1993	Ambergate	25759

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

Explore the river

Where barbel were found

Each point marks a survey location with at least one barbel 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 barbel
Duffield Bridge	14 Sept 2015	29 Sept 2025	2
Derby Triangle Net	22 Sept 2025	22 Sept 2025	1
Nooning Lane Net	26 Jul 2012	19 Sept 2024	2
Cromford	15 Oct 2001	6 Sept 2018	11
Nooning Lane	16 Feb 1998	24 Aug 2017	6
Chub Alley	1 Jul 2010	25 Jul 2017	4
Borrowash Fish Pass Pool1	25 Feb 2016	16 Sept 2016	2
Duffield	10 Feb 1998	4 Oct 2009	6
Borrowash	14 Oct 2001	6 Sept 2009	5
Church Wilne	29 Aug 1994	5 Oct 2008	8
Draycott	19 May 2005	19 May 2005	1
Alvaston	17 Feb 1998	17 Feb 1998	1
Ambergate	5 May 1993	3 Feb 1997	2

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

1993–2025

Survey records by year

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

193

194

095

096

197

398

099

000

401

202

003

404

505

206

507

208

209

210

011

212

113

314

115

316

317

118

019

020

021

022

023

124

225

Fish measured by surveyors

Measured length distribution

See how the 317 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 4.1 cm
Median: 21.1 cm
Upper quarter: 46.4 cm
Largest: 75 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

700–799 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 barbel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 3 lb 10.2 oz (1.65 kg)
Lower quarter: 4 lb 2.1 oz (1.88 kg)
Median: 5 lb 7.7 oz (2.49 kg)
Upper quarter: 8 lb 1.5 oz (3.67 kg)
Heaviest: 12 lb 3.2 oz (5.53 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 Derwent

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

Brown / sea trout Bullhead Minnow Grayling Chub Stone loach

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 →