RiverFish

Bleak · Alburnus alburnus

Bleak in the River Severn

Largest measured bleak: 17.2 cm

The largest bleak measured in Environment Agency surveys of the River Severn was 17.2 cm, recorded at Ribbesford on 10 September 2002.

Across 1,999 measured bleak, the median measured length was 4 cm.

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

See bleak records across England →

Most recent observation22 April 2025Upton Marina Basin EQSD · 46 fish
Largest measured bleak
17.2 cm
Median length
4 cm
Fish measured
1,999
Survey locations
33

Individual EA measurements

Largest measured bleak

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
17.2 cm10 Sept 2002Ribbesford61131
15.6 cm8 May 2018Upton Marina Basin EQSD152514
15.6 cm27 Jun 2006Lower Allscott99950
15.2 cm28 Jun 2006Hampton Loade99941
15 cm30 Jun 2006Cressage100145
14.9 cm2 Jun 2004Hampton Loade80006
14.7 cm4 May 2016Upton Upon Severn to Tewkesbury EQSD148056
14.6 cm27 Jun 2006Buildwas100064
14.6 cm10 Sept 2002Ribbesford61131
14.6 cm10 Sept 2002Ribbesford61131

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

Explore the river

Where bleak were found

Each point marks a survey location with at least one bleak 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 surveyedFirst recordedLast recordedVisits finding bleak
Upton Marina Basin EQSD4 May 201622 Apr 20255
Hifnal Fry Site16 Sept 201319 Sept 20237
Cressage Fry Site16 Sept 201319 Sept 20237
Shrewsbury County Showground Fry Site22 Sept 201412 Sept 20234
Monkmoor Fry Site4 Sept 201312 Sept 20237
Holt Fleet Mutton Hall Fry Site31 Aug 201728 Sept 20224
Quatford27 Jun 200621 Jun 20223
Worcester racecourse fish rescue17 Mar 20208 Mar 20223
Upton on Severn Fry Site6 Sept 20114 Sept 20196
Pengwern Boat Club Fry Site4 Sept 20132 Sept 20196
Wainlodes Fry Site26 Sept 201429 Sept 20163
Bridgnorth us A458 fry site14 Sept 201521 Sept 20162
Upton Upon Severn to Tewkesbury EQSD4 May 20164 May 20161
Atcham29 Jul 199814 Jul 20154
Bridgnorth Town Fry Site7 Sept 201123 Sept 20143
Holt Fleet (d/s bridge) Fry Site14 Sept 201219 Sept 20143
Coalport (RDA)6 Jul 20126 Jul 20121
Haw Bridge Fry Site6 Sept 20116 Sept 20111
Buildwas14 Jul 19985 Sept 20113
Hampton Loade9 Jul 199215 Jul 20097
Monkmoor29 Jul 19986 Jun 20096
MonkmoorSGS Uffington24 Jul 200824 Jul 20081
Cressage14 Jul 19983 Jul 20085
Montford9 Jul 199811 Jun 20083
Pitchcroft15 Jul 199229 Jun 20065
Holt Fleet15 Jul 199229 Jun 20064
Upper Arley9 Jul 199228 Jun 20063
Stourport 38216 Jul 199828 Jun 20064
Lower Allscott7 Jul 199227 Jun 20064
Leaton Knowles9 Jul 199827 Jul 20053
Pentre9 Jul 199817 Jul 20032
Ribbesford10 Sept 200210 Sept 20021
Bewdley10 Sept 200210 Sept 20021

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

1992–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 1,999 measured fish were spread across different length ranges.

Smallest
1.3 cm
Lower quarter
2.8 cm
Median
4 cm
Upper quarter
7 cm
Largest
17.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Severn

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

Roach Chub Gudgeon Dace Minnow Perch

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 →