RiverFish

Bleak · Alburnus alburnus

Bleak in the River Oxford Watercourses

Largest measured bleak: 16.5 cm

The largest bleak measured in Environment Agency surveys of the River Oxford Watercourses was 16.5 cm, recorded at Hinksey Stream - North Hinksey on 10 August 2004.

Across 1,483 measured bleak, the median measured length was 9.5 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 Oxford Watercourses.

See bleak records across England →

Most recent observation4 April 2019Bulstake Stream - Botley Park · 79 fish
Largest measured bleak
16.5 cm
Median length
9.5 cm
Fish measured
1,483
Survey locations
13

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
16.5 cm10 Aug 2004Hinksey Stream - North Hinksey81207
16.1 cm30 Jul 2014Iffley Weirs Mill Stream141944
14.7 cm31 Aug 2011North field brook - Four Pillars hotel129624
14.2 cm10 Aug 2004Hinksey Stream - North Hinksey81207
14.1 cm31 Aug 2011North field brook - Four Pillars hotel129624
14 cm30 Jul 2014Iffley Weirs Mill Stream141944
14 cm3 Aug 2004Seacourt stream - Wytham Mill80775
13.9 cm31 Aug 2011North field brook - Four Pillars hotel129624
13.9 cm3 Aug 2004Seacourt stream - Wytham Mill80775
13.8 cm12 Aug 2014Seacourt stream - Wytham Mill142203

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
Bulstake Stream - Botley Park4 Aug 20044 Apr 20194
Castle Mill Stream - Jericho9 Aug 200627 Aug 20142
Osney Stream - St Frideswides Church10 Aug 200418 Aug 20143
Castle Mill Stream - College Gardens12 Aug 200418 Aug 20143
Seacourt stream - Wytham Mill3 Aug 200412 Aug 20142
Seacourt Stream - North Hinksey4 Aug 200412 Aug 20142
Wolvercote Mill Stream - Wolvercote Mill East Arm11 Aug 200411 Aug 20142
Wolvercote Mill Stream - A34 Road Bridge18 Oct 20067 Aug 20142
Botley Stream - Golf Range5 Aug 20041 Aug 20142
Bulstake Stream - Fishing News Books12 Aug 200431 Jul 20142
Iffley Weirs Mill Stream9 Aug 200630 Jul 20142
North field brook - Four Pillars hotel10 Aug 200611 Jun 20143
Hinksey Stream - North Hinksey10 Aug 200410 Aug 20041

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

2004–2019

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 1,483 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
6.6 cm
Median
9.5 cm
Upper quarter
11 cm
Largest
16.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Oxford Watercourses

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

Perch Roach Chub Pike Silver bream Common bream

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 →