RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Onny

Largest measured minnow: 8.4 cm

The largest minnow measured in Environment Agency surveys of the River Onny was 8.4 cm, recorded at Linley on 10 June 2014.

Across 73 measured minnow, the median measured length was 4.4 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 Onny.

See minnow records across England →

Most recent observation10 September 2025Craven Arms (DS Halford Weir)
Largest measured minnow
8.4 cm
Median length
4.4 cm
Fish measured
73
Survey locations
19

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
8.4 cm10 Jun 2014Linley141462
7.8 cm4 Jun 2014Whitcot Farm140975
7.5 cm10 Jun 2014Linley141462
6.6 cm4 Jun 2014Whitcot Farm140975
6.2 cm10 Jun 2013Park Farm136315
6 cm17 Jun 2014Horderley141477
5.9 cm17 Jun 2014Bow House141187
5.5 cm10 Jun 2014Linley141462
5.4 cm17 Jun 2014Horderley141477
5.3 cm10 Jun 2014Linley141462

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
Craven Arms (DS Halford Weir)4 Aug 202110 Sept 20255
Bromfield25 Sept 199129 Aug 20257
Park Farm8 May 200328 Aug 202513
Upstream Plowden Mill11 Aug 202120 Aug 20255
Horderley30 Jun 199320 Aug 20257
Linley Estate Downstream Brookshill Brook Confluence19 Aug 202519 Aug 20251
Appletree30 Jul 202530 Jul 20251
Wooton Farm - Riffle28 Sept 202328 Sept 20231
Bromfield - Riffle28 Sept 202328 Sept 20231
Upstream Plowden Mill - Riffle27 Sept 202327 Sept 20231
Park Farm - Riffle27 Sept 202327 Sept 20231
Myndmill Bridge - Riffle27 Sept 202327 Sept 20231
Craven Arms (ds Halford Weir) - Riffle27 Sept 202327 Sept 20231
Plowden Upstream Weir10 Aug 202310 Aug 20231
Whitcot Farm19 May 199310 Aug 20213
Linley18 May 199310 Aug 20213
Cwnd House10 Aug 202110 Aug 20211
Bow House19 May 19934 Aug 20214
Plowden - Red carded19 May 199319 May 19931

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

1991–2025

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 73 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
3.8 cm
Median
4.4 cm
Upper quarter
4.8 cm
Largest
8.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Onny

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

Bullhead Stone loach Brown / sea trout Atlantic salmon European eel Grayling

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 →