RiverFish

Minnow · Phoxinus phoxinus

Minnow in the Main River Yeo

Largest measured minnow: 9.7 cm

The largest minnow measured in Environment Agency surveys of the Main River Yeo was 9.7 cm, recorded at Sherborne STW on 21 July 2010.

Across 595 measured minnow, the median measured length was 5.4 cm.

Surveyors recorded weights for 158 minnow. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.5 oz (0.013 kg).

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

See minnow records across England →

Most recent observation21 August 2024Mudford
Largest measured minnow
9.7 cm
Median length
5.4 cm
Fish measured
595
Survey locations
20

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
9.7 cm21 Jul 2010Sherborne STW123041
9.7 cm21 Jul 2010Sherborne STW123041
9.5 cm21 Jul 2010Sherborne STW123041
9.4 cm21 Jul 2010Sherborne STW123041
9.3 cm21 Jul 2010Sherborne STW123041
9.3 cm21 Jul 2010Sherborne STW123041
9.1 cm21 Jul 2010Sherborne STW123041
9.1 cm28 Jul 1993Honeycombe Farm79801
9 cm21 Jul 2010Sherborne STW123041
8.6 cm25 Sept 2013Bradford Abbas (Te)138897

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
Mudford20 Jun 200721 Aug 20243
Up Mudford Investigation Site16 Aug 200530 Jul 20153
Yeovil Bridge (Te)5 Aug 200317 Jul 20149
Bradford Abbas (Te)23 Jul 199325 Sept 20133
Sherborne STW21 Jul 201021 Jul 20101
Thornford14 Jul 201014 Jul 20101
Gas Works d/s Ilchester (Te)9 Jun 200518 Oct 20062
Downstream Sherborne Lake (Te)4 Jun 200323 Jun 20053
Pibsbury Pumping Station (Te)10 May 200510 May 20051
Clifton Maybank (Te)25 Aug 200425 Aug 20041
Honeycombe Farm28 Jul 199328 Jul 19931
Upstream Lake Borehole27 Jul 199327 Jul 19931
Downstream Pen Mill Gauging Station20 Jul 199320 Jul 19931
Newton Surmaville15 Jul 199315 Jul 19931
Over Compton13 Jul 199313 Jul 19931
Downstream Yeovilton Weir6 Jul 19936 Jul 19931
Upstream Ashington Bridge29 Jun 199329 Jun 19931
Manor Farm, Ashington24 Jun 199324 Jun 19931
Downstream Hainbury Mill23 Jun 199323 Jun 19931
Great Yard, Ilchester22 Jun 199322 Jun 19931

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

1993–2024

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 595 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
4.7 cm
Median
5.4 cm
Upper quarter
6.3 cm
Largest
9.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 158 minnow. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.002 kg)
Median
0.1 oz (0.003 kg)
Upper quarter
0.1 oz (0.004 kg)
Heaviest
0.5 oz (0.013 kg)

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

More fish in this river

Explore the Main River Yeo

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

Gudgeon European eel Chub Roach Dace Stone loach

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 →