RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Mole

Largest measured minnow: 9.5 cm

The largest minnow measured in Environment Agency surveys of the River Mole was 9.5 cm, recorded at Meath Green Farm, Horley on 30 September 2015.

Across 193 measured minnow, the median measured length was 5.2 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 Mole.

See minnow records across England →

Most recent observation29 July 2025Castlefields
Largest measured minnow
9.5 cm
Median length
5.2 cm
Fish measured
193
Survey locations
22

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
9.5 cm30 Sept 2015Meath Green Farm, Horley146801
7.2 cm14 Oct 2015Downstream Gatwick147327
7.2 cm14 Oct 2015Downstream Gatwick147327
7.2 cm30 Sept 2015Meath Green Farm, Horley146801
6.8 cm14 Oct 2015Downstream Gatwick147327
6.8 cm14 Oct 2015Downstream Gatwick147327
6.8 cm14 Oct 2015Downstream Gatwick147327
6.8 cm30 Sept 2015Meath Green Farm, Horley146801
6.8 cm30 Sept 2015Meath Green Farm, Horley146801
6.7 cm14 Oct 2015Downstream Gatwick147327

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
Castlefields29 Jul 202529 Jul 20251
Downstream Gatwick17 Sept 20039 Jul 20257
Downstream Painshill23 Oct 20073 Jul 20258
Stoke D'Abernon25 Jun 202525 Jun 20251
Norbury Park, Near Mickleham15 Oct 198517 Oct 20237
Box Hill11 Feb 199320 Oct 201511
Meath Green Farm, Horley1 Oct 199230 Sept 201512
Randalls Road, Leatherhead18 Feb 199318 Sept 20135
Flanchford Farm5 Sept 200217 Sept 20135
Old Mole Channel20 Jun 198617 Oct 20125
Downstream Downside Mill25 Feb 199318 Sept 20125
Horley Swimming Baths17 Jul 199217 Nov 20053
Below Downside Bridge, Cobham.14 Nov 198519 Oct 20055
Povey Cross Enhancement Scheme20 Aug 200220 Aug 20021
South Weylands Farm7 May 19937 May 19931
Garsons Farm11 Mar 199311 Mar 19931
Norwood Farm Downstream Cobham9 Mar 19939 Mar 19931
Upstream Brockham Bridge4 Feb 19934 Feb 19931
Upstream Horley STW16 May 198916 May 19891
Upstream M25 at Stoke D'Abernon (Left Arm)23 Oct 198623 Oct 19861
Downstream Brockham Bridge8 Oct 19858 Oct 19851
Burys Court School, Upstream Flanchford Bridge1 Oct 19851 Oct 19851

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

1985–2025

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 193 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
3.2 cm
Median
5.2 cm
Upper quarter
5.7 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mole

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

Roach Dace Chub Gudgeon Stone loach Pike

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 →