RiverFish

Minnow · Phoxinus phoxinus

Minnow in the Belchamp Brook (Main Reaches)

Largest measured minnow: 8.7 cm

The largest minnow measured in Environment Agency surveys of the Belchamp Brook (Main Reaches) was 8.7 cm, recorded at Gas Pipe Mark on 20 May 2024.

Across 612 measured minnow, the median measured length was 4.7 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Belchamp Brook (Main Reaches).

See minnow records across England →

Most recent observation29 May 2026Gas Pipe Mark · 246 fish
Largest measured minnow
8.7 cm
Median length
4.7 cm
Fish measured
612
Survey locations
2

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
8.7 cm20 May 2024Gas Pipe Mark165737
8.7 cm5 Jul 2021Gas Pipe Mark160205
8.4 cm20 May 2024Gas Pipe Mark165737
8.3 cm20 May 2024Gas Pipe Mark165737
8.2 cm29 May 2026Gas Pipe Mark181511
8.2 cm20 May 2024Gas Pipe Mark165737
8.1 cm5 Jul 2021Gas Pipe Mark160205
8 cm20 May 2024Gas Pipe Mark165737
8 cm12 May 2022Gas Pipe Mark161856
7.8 cm5 Jul 2021Gas Pipe Mark160205

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
Gas Pipe Mark27 Jun 201229 May 20268
Brundon (Belchamp Brook)12 Jun 201229 May 20242

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

2012–2026

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 612 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
3.9 cm
Median
4.7 cm
Upper quarter
5.3 cm
Largest
8.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Belchamp Brook (Main Reaches)

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

Pike Chub Bullhead Roach Dace 3-spined stickleback

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 →