Minnow · Phoxinus phoxinus

Minnow in the Bristol Avon main river

Largest measured minnow: 5.8 cm

The largest minnow measured in Environment Agency surveys of the Bristol Avon main river was 5.8 cm, recorded at Melksham on 16 September 2015.

Across 24 measured minnow, the median measured length was 3.4 cm.

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

See minnow records across England →

Most recent observation3 September 2024Chippenham (Te)
Largest measured minnow
5.8 cm
Median length
3.4 cm
Fish measured
24
Survey locations
10

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
5.8 cm16 Sept 2015Melksham146472
5.8 cm16 Sept 2015Melksham146472
5.6 cm16 Sept 2015Melksham146472
5.5 cm16 Sept 2015Melksham146472
5.5 cm16 Sept 2015Melksham146472
5.5 cm16 Sept 2015Melksham146472
5.4 cm16 Sept 2015Melksham146472
5.3 cm16 Sept 2015Melksham146472
5.2 cm16 Sept 2015Melksham146472
5.2 cm16 Sept 2015Melksham146472

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
Chippenham (Te)9 Sept 20033 Sept 202414
Christian Malford (Te)19 May 199923 Aug 202312
Great Somerford (Te)28 Aug 200222 Aug 202312
Lacock (Te)20 Aug 200321 Aug 201912
Melksham16 Sept 201530 Aug 20173
Barton Country Park18 Sept 201418 Sept 20141
Rawlings Farm (Te)23 Jul 200312 Jul 20064
Cow Bridge27 May 199927 May 19991
u/s Kingsmead Mill26 May 199926 May 19991
d/s Malmesbury bypass20 May 199920 May 19991

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

1999–2024

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 24 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
3 cm
Median
3.4 cm
Upper quarter
5.4 cm
Largest
5.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bristol Avon main river

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

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 →