RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Chess

Largest measured minnow: 9 cm

The largest minnow measured in Environment Agency surveys of the River Chess was 9 cm, recorded at Mountwood Ford on 18 May 2004.

Across 685 measured minnow, the median measured length was 5.6 cm.

Surveyors recorded weights for 3 minnow. The median was 0.2 oz (0.005 kg) and the largest recorded weight was 0.3 oz (0.009 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Chess.

See minnow records across England →

Most recent observation7 October 2025Mountwood Ford
Largest measured minnow
9 cm
Median length
5.6 cm
Fish measured
685
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
9 cm18 May 2004Mountwood Ford81252
8.5 cm6 Mar 2019Large Chess Restore Hope154366
8.4 cm18 May 2004Mountwood Ford81252
8.4 cm18 May 2004Mountwood Ford81252
8.1 cm6 Mar 2019Large Chess Restore Hope154366
8.1 cm6 Mar 2019Large Chess Restore Hope154366
7.9 cm6 Mar 2019Large Chess Restore Hope154366
7.9 cm6 Mar 2019Large Chess Restore Hope154366
7.8 cm18 May 2004Mountwood Ford81252
7.7 cm6 Mar 2019Large Chess Restore Hope154366

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
Mountwood Ford18 May 20047 Oct 202515
Large Chess Restore Hope6 Mar 20196 Oct 20253
Solesbridge nursery14 Jul 200423 Sept 202517
Scotsbridge Mill9 Jul 200310 May 20236
Latimer Water Meadows7 Mar 20197 Mar 20191
Sarratt Mill Bypass Channel16 May 201316 May 20131
Chenies Bottom Bypass Channel16 May 201316 May 20131
Bois Mill23 Oct 201223 Oct 20121
Sarratt Bottom7 Jul 20067 Jul 20061
Water Cress beds/Chenies6 Jul 20066 Jul 20061
Latimer4 Jul 20064 Jul 20061
Solesbridge mill19 Jun 200619 Jun 20061
Scotts Bridge15 Dec 198715 Dec 19871

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

1987–2025

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 685 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
4.6 cm
Median
5.6 cm
Upper quarter
6.4 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 minnow. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.004 kg)
Lower quarter
0.2 oz (0.0045 kg)
Median
0.2 oz (0.005 kg)
Upper quarter
0.2 oz (0.007 kg)
Heaviest
0.3 oz (0.009 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Chess

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

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

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 →