RiverFish

Bitterling · Rhodeus sericeus

Bitterling in the River Ely Ouse

Largest measured bitterling: 8.8 cm

The largest bitterling measured in Environment Agency surveys of the River Ely Ouse was 8.8 cm, recorded at Sandhill Bridge on 19 September 2023.

Across 594 measured bitterling, the median measured length was 6.3 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 Ely Ouse.

See bitterling records across England →

Most recent observation18 October 2023Ten Mile Bank
Largest measured bitterling
8.8 cm
Median length
6.3 cm
Fish measured
594
Survey locations
6

Individual EA measurements

Largest measured bitterling

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

LengthSurvey dateSurvey locationSurvey ID
8.8 cm19 Sept 2023Sandhill Bridge163306
7.8 cm12 Aug 1996Little Thetford29956
7.7 cm19 Sept 2023Sandhill Bridge163306
7.7 cm19 Sept 2023Sandhill Bridge163306
7.6 cm10 Oct 2023Little Thetford163574
7.6 cm10 Oct 2023Little Thetford163574
7.6 cm10 Oct 2023Little Thetford163574
7.6 cm19 Sept 2023Sandhill Bridge163306
7.6 cm30 Sept 2010Sandhill Bridge124101
7.5 cm10 Oct 2023Little Thetford163574

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

Explore the river

Where bitterling were found

Each point marks a survey location with at least one bitterling 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 bitterling
Ten Mile Bank30 Jul 200918 Oct 20233
Little Thetford6 Oct 198710 Oct 202314
Sandhill Bridge23 Sept 200319 Sept 202310
Branch Bridge20 Aug 199612 Sept 20062
Queen Adelaide17 Sept 199011 Sept 20066
Ely High Bridge7 Oct 19878 Sept 20065

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

1987–2023

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 594 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
6 cm
Median
6.3 cm
Upper quarter
6.5 cm
Largest
8.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ely Ouse

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

Perch Roach Common bream Ruffe Pike Zander

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 →