RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Brett (Main Reaches)

Largest measured minnow: 10.3 cm

The largest minnow measured in Environment Agency surveys of the River Brett (Main Reaches) was 10.3 cm, recorded at Higham FGS on 3 May 2024.

Across 1,552 measured minnow, the median measured length was 5.1 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 Brett (Main Reaches).

See minnow records across England →

Most recent observation9 April 2026Waterhouse Farm · 77 fish
Largest measured minnow
10.3 cm
Median length
5.1 cm
Fish measured
1,552
Survey locations
13

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
10.3 cm3 May 2024Higham FGS165726
8.8 cm13 Apr 2006Chelsworth90658
8.6 cm9 Apr 2026Waterhouse Farm180912
8.6 cm16 Apr 2018Cobbolds Mill152538
8.5 cm26 Apr 2018Chelsworth154029
8.5 cm12 Apr 2012Chelsworth131044
8.3 cm12 Apr 2012Chelsworth131044
8.2 cm9 Apr 2026Waterhouse Farm180912
8.2 cm11 Apr 2012Cobbolds Mill131036
8.1 cm12 Apr 2012Chelsworth131044

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
Waterhouse Farm28 Mar 20069 Apr 20269
Higham FGS4 Apr 20067 Apr 20269
Hadleigh Town29 Mar 199426 Apr 20245
Chelsworth13 Apr 200626 Apr 20183
Cobbolds Mill20 Mar 198516 Apr 20186
Cosford Bridge13 Apr 201813 Apr 20181
Hadleigh STW6 Apr 200630 Sept 20132
Semer A16 Feb 198225 Sept 20138
Peyton Hall20 Dec 198425 Sept 20137
Cherry Hill24 Mar 199420 Apr 20064
Downstream Mill Farm4 Apr 19915 Apr 20062
Upstream Mill Farm29 Mar 200629 Mar 20061
Semer B (Dairy Farm - River Brett)17 Feb 198213 Dec 19842

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

1982–2026

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 1,552 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
4.3 cm
Median
5.1 cm
Upper quarter
5.8 cm
Largest
10.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brett (Main Reaches)

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

European eel Pike Roach Gudgeon Dace 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 →