RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Colne

Largest measured minnow: 9.5 cm

The largest minnow measured in Environment Agency surveys of the River Colne was 9.5 cm, recorded at Lees Mill lane on 14 October 2021.

Across 148 measured minnow, the median measured length was 6.1 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 Colne.

See minnow records across England →

Most recent observation14 October 2021Lees Mill lane · 4 fish
Largest measured minnow
9.5 cm
Median length
6.1 cm
Fish measured
148
Survey locations
3

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
9.5 cm14 Oct 2021Lees Mill lane160464
9.3 cm30 Aug 2007Lees Mill lane108407
8.6 cm23 Sept 2003Lees Mill lane78692
8.5 cm30 Aug 2007Lees Mill lane108407
7.8 cm27 Sept 2005Lees Mill lane87739
7.8 cm23 Sept 2003Pollard Street78694
7.7 cm30 Aug 2007Lees Mill lane108407
7.7 cm27 Sept 2005Lees Mill lane87739
7.7 cm27 Sept 2005Lees Mill lane87739
7.7 cm23 Sept 2003Pollard Street78694

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
Lees Mill lane23 Sept 200314 Oct 20218
DS Slaithewaite Park4 Jun 20104 Jun 20101
Pollard Street23 Sept 200323 Sept 20031

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

2003–2021

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 148 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
5.5 cm
Median
6.1 cm
Upper quarter
6.8 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Colne

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

Brown / sea trout Stone loach Grayling 3-spined stickleback Bullhead

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 →