RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Irwell

Largest measured minnow: 11 cm

The largest minnow measured in Environment Agency surveys of the River Irwell was 11 cm, recorded at Iwir08 on 9 July 2003.

Across 497 measured minnow, the median measured length was 5.4 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 Irwell.

See minnow records across England →

Most recent observation3 August 2015Iwir08 · 100 fish
Largest measured minnow
11 cm
Median length
5.4 cm
Fish measured
497
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
11 cm9 Jul 2003Iwir0876342
11 cm9 Jul 2003Iwir0676340
10.4 cm29 Jun 2004Iwir0781759
10 cm29 Jun 2004Iwir0781759
9.6 cm1 Jul 2004Iwir1581590
9.5 cm29 Jun 2004Iwir0781759
9.5 cm9 Jul 2003Iwir0676340
9.5 cm9 Jul 2003Iwir0676340
9.4 cm9 Jul 2003Iwir0676340
9.2 cm29 Jun 2004Iwir0781759

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
Iwir089 Jul 20033 Aug 20152
Iwir0729 Jun 20043 Aug 20152
Iwir108 Jul 200326 Sept 20085
Iwir256 Jun 20066 Jun 20061
Iwir207 Jul 20036 Jun 20064
Iwir158 Jul 20035 Jun 20064
Iwir0929 Jun 200429 Jun 20041
Iwir066 Jan 19979 Jul 20032
Ir148 Jan 19978 Jan 19971
Ir138 Jan 19978 Jan 19971
Ir128 Jan 19978 Jan 19971
Ir106 Jan 19976 Jan 19971
Iwir05.51 Jan 19971 Jan 19971

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

1997–2015

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 497 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
4.3 cm
Median
5.4 cm
Upper quarter
6.9 cm
Largest
11 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Irwell

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

Brown / sea trout Bullhead Stone loach 3-spined stickleback Gudgeon Chub

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 →