RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Staines

Largest measured minnow: 5.4 cm

The largest minnow measured in Environment Agency surveys of the River Staines was 5.4 cm, recorded at Staines Downstream Fry on 21 August 2012.

Across 878 measured minnow, the median measured length was 3.1 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 Staines.

See minnow records across England →

Most recent observation3 September 2025Staines Upstream Fry · 96 fish
Largest measured minnow
5.4 cm
Median length
3.1 cm
Fish measured
878
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
5.4 cm21 Aug 2012Staines Downstream Fry135277
5.1 cm21 Aug 2012Staines Upstream Fry135278
4.9 cm25 Aug 2016Staines Downstream Fry149237
4.8 cm20 Aug 2008Staines Downstream Fry125754
4.7 cm21 Aug 2018Staines Upstream Fry153455
4.7 cm20 Aug 2008Staines Upstream Fry125753
4.6 cm20 Aug 2008Staines Upstream Fry125753
4.6 cm20 Aug 2008Staines Upstream Fry125753
4.5 cm28 Aug 2013Staines Downstream Fry139434
4.5 cm21 Aug 2012Staines Upstream Fry135278

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
Staines Upstream Fry9 Sept 20043 Sept 202513
Staines Downstream Fry22 Aug 20073 Sept 202514

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

2004–2025

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 878 measured fish were spread across different length ranges.

Smallest
0.3 cm
Lower quarter
2.6 cm
Median
3.1 cm
Upper quarter
3.5 cm
Largest
5.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Staines

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

Dace Gudgeon Roach Chub Bleak 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 →