RiverFish

Bleak · Alburnus alburnus

Bleak in the River Warwickshire Avon

Largest measured bleak: 17.5 cm

The largest bleak measured in Environment Agency surveys of the River Warwickshire Avon was 17.5 cm, recorded at Harvington d/s ford on 27 March 1996.

Across 1,092 measured bleak, the median measured length was 7.3 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 Warwickshire Avon.

See bleak records across England →

Most recent observation6 October 2025Twyning Green Fry Site · 74 fish
Largest measured bleak
17.5 cm
Median length
7.3 cm
Fish measured
1,092
Survey locations
28

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
17.5 cm27 Mar 1996Harvington d/s ford81227
15.3 cm16 Aug 1993Harvington d/s ford81234
15.3 cm16 Aug 1993Harvington d/s ford81234
15.2 cm19 May 1993Chadbury81395
15 cm16 Aug 1993Harvington d/s ford81234
14.8 cm19 May 1993Chadbury81395
14.6 cm25 Mar 1993Harvington Mill81539
14.3 cm27 Mar 1997Chadbury u/s weir81391
14.3 cm25 Mar 1993Anchor Meadows. G Billington Lock - Harv weir LB81544
14.3 cm25 Mar 1993Anchor Meadows. G Billington Lock - Harv weir LB81544

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
Twyning Green Fry Site10 Sept 20136 Oct 20256
Evesham Sports Ground Fry Site29 Sept 201429 Sept 20255
Strensham to Tewkesbury EQSD5 May 201611 Apr 20235
Hampton Ferry17 Nov 19887 Nov 20176
Strensham Weir Pools5 May 20165 May 20161
Evesham Rowing Club28 Mar 199627 Mar 19972
Chadbury u/s weir6 Jul 198927 Mar 19972
Pershore10 Jun 199610 Jun 19961
Marlcliffe9 May 19969 May 19961
Harvington d/s ford11 Jun 199127 Mar 19963
Nafford - d/s weir9 Nov 19939 Nov 19931
Twyford Farm27 Mar 199316 Aug 19932
Wyre Piddle10 Jun 199310 Jun 19931
Wick, u/s Tiddle Widdle Islands10 Jun 199310 Jun 19931
Birlingham10 Jun 199310 Jun 19931
Fladbury d/s weir19 May 199319 May 19931
Fladbury19 May 199319 May 19931
Chadbury19 May 199319 May 19931
Harvington Mill25 Mar 199325 Mar 19931
Anchor Meadows. G Billington Lock - Harv weir LB25 Mar 199325 Mar 19931
Anchor Meadows, Harvington-Harvington Mill & Weir25 Mar 199325 Mar 19931
Twyning M5 - Fleet Inn7 Jul 198820 Nov 19903
Twyning Fleet Inn - Tewkesbury7 Jul 198827 Apr 19907
u/s to Fleet L. B.20 Sept 198920 Sept 19891
Twyning d/s Fleet r. bank20 Sept 198920 Sept 19891
Strensham, pipe bridge - Bredon13 Dec 198813 Dec 19881
M5 Bridge - 500m d/s Fleet Inn Twyning7 Jul 19887 Jul 19881
Abbots Salford13 Feb 197813 Feb 19781

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

1978–2025

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 1,092 measured fish were spread across different length ranges.

Smallest
1.2 cm
Lower quarter
3.6 cm
Median
7.3 cm
Upper quarter
10 cm
Largest
17.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Warwickshire Avon

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

Pike Roach Perch Chub European eel Gudgeon

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 →