RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Ouzel

Largest measured minnow: 9.3 cm

The largest minnow measured in Environment Agency surveys of the River Ouzel was 9.3 cm, recorded at Billington on 26 November 1997.

Across 673 measured minnow, the median measured length was 5.5 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 Ouzel.

See minnow records across England →

Most recent observation16 April 2026DS Caldecote Mill · 1 fish
Largest measured minnow
9.3 cm
Median length
5.5 cm
Fish measured
673
Survey locations
15

Individual EA measurements

Largest measured minnow

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

LengthSurvey dateSurvey locationSurvey ID
9.3 cm26 Nov 1997Billington29056
8.9 cm8 Jul 2019Leighton Buzzard154797
8.9 cm6 Jun 2013Manor Sports Field136325
8.9 cm24 May 2013Eton Bray136093
8.8 cm26 Nov 1997Billington29056
8.8 cm26 Nov 1997Billington29056
8.5 cm18 Jun 2013US Billington136436
8.5 cm24 May 2013Eton Bray136093
8.4 cm6 Jun 2013Manor Sports Field136325
8.4 cm24 May 2013Eton Bray136093

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

Explore the river

Where minnow were found

Each point marks a survey location with at least one minnow 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 minnow
DS Caldecote Mill17 Jun 201316 Apr 20264
Manor Sports Field28 Oct 19869 Jul 201912
Leighton Buzzard13 Dec 19948 Jul 20199
US Open University3 Sept 20146 Oct 20174
Newport Pagnell28 Jan 199810 Aug 20164
Open University4 Jan 199525 May 201613
US Leighton Buzzard21 Mar 201621 Mar 20161
US Billington12 Apr 200718 Jun 20132
Eton Bray24 May 201324 May 20131
M1 Road Bridge8 Nov 199013 May 20103
Caldecote Mill29 Mar 199512 May 201011
Castle Meadow31 Mar 199530 Apr 20098
Simpson Ouzel15 Dec 199429 Mar 20043
Stoke Hammond5 Dec 199724 Mar 20042
Billington16 Dec 199426 Nov 19972

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

1986–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 673 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
4.8 cm
Median
5.5 cm
Upper quarter
6.2 cm
Largest
9.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ouzel

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

Gudgeon Perch Roach Dace Bullhead Pike

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 →