RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Welland

Largest measured minnow: 10 cm

The largest minnow measured in Environment Agency surveys of the River Welland was 10 cm, recorded at Downstream Rockingham Road Bridge on 4 May 1993.

Across 1,694 measured minnow, the median measured length was 6 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 Welland.

See minnow records across England →

Most recent observation13 May 2026300 yard Downstream Ashley Gauging Weir
Largest measured minnow
10 cm
Median length
6 cm
Fish measured
1,694
Survey locations
43

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
10 cm4 May 1993Downstream Rockingham Road Bridge54257
9.5 cm9 May 1996Upstream Ashley Road Bridge54284
9 cm4 May 1993Downstream Rockingham Road Bridge54257
8.6 cm7 May 2026Upstream Great Bowden Road Bridge181211
8.5 cm9 May 1996Upstream Welham Road Bridge54283
8.5 cm9 May 1996Upstream Welham Road Bridge54283
8.5 cm8 May 1996300 yard Downstream Ashley Gauging Weir54285
8.5 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
8.5 cm22 Apr 1993Upstream Ashley Road Bridge54254
8.5 cm30 Mar 1993Upstream Lubenham Road Bridge54249

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
300 yard Downstream Ashley Gauging Weir24 May 199013 May 202612
Upstream Great Bowden Road Bridge25 May 19907 May 20269
Upstream Lubenham Road Bridge22 May 199029 Apr 202613
Hudds Mill Downstream Weir (main channel)27 Aug 200916 Oct 20244
Stamford Meadows10 May 199315 Oct 202415
Sandy Lane15 Aug 199610 Oct 202410
Market Harborough Pre habitat survey8 Jul 20228 Jul 20221
Upstream Ashley Gauging Weir16 Apr 201424 Sept 20184
Downstream Harringworth Road Bridge12 Jun 199027 Sept 201715
Upstream Wakerly Road Bridge10 May 199322 Sept 20176
Downstream Duddington Road Bridge9 Jul 199021 Sept 201716
Downstream Uffington26 Sept 199025 Oct 201612
Downstream Tinwell weir2 Sept 200914 Oct 20163
Downstream Lolham Bridge17 Sept 199010 Oct 20144
Upstream Welham Road Bridge8 Jun 19909 Oct 20149
Upstream Bringhurst Road Bridge30 Apr 19933 Jul 20146
Upstream Ashley Road Bridge8 Jun 199030 Jun 20146
Rockingham Road Bridge Upstream12 May 201120 May 20142
Weston19 May 201419 May 20141
Downstream Gretton Road Bridge12 Jun 199013 May 20148
Downstream STW Market Harborough23 May 19909 May 20147
500 yards Upstream Ashley Gauging Weir16 Apr 201416 Apr 20141
Downstream Lolham Mill Stream17 May 199324 Oct 20138
Werrington Brook22 Apr 201322 Apr 20131
Blackgate7 May 200311 May 20114
Upstream Harringworth Viaduct5 May 19934 May 20114
Right Hand Bank18 Nov 200818 Nov 20081
Right Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Wherry's Mill20 Apr 200525 Jun 20082
Downstream Rockingham Road Bridge24 Feb 19833 Aug 20066
Downstream Bringhurst Road Bridge25 May 19903 Aug 20064
Turtle Bridge1 Aug 20061 Aug 20061
Upstream Tallington Road Bridge27 Jul 200027 Jul 20001
Tallington Mill Upstream10 Jul 199026 Jul 20003
Downstream Collyweston Road Bridge25 Jul 200025 Jul 20001
Upstream Tinwell Mill21 Jun 199020 Jul 20003
Market Harborough Upstream Road Bridge24 May 199023 May 20003
Great Bowden29 Mar 199025 Apr 19963
Downstream Hudds Mill - back channel18 May 199318 May 19931
Upstream Lolham Mill Stream17 May 199317 May 19931
Downstream High Locks30 Aug 199030 Aug 19901

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

1983–2026

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 1,694 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
5.5 cm
Median
6 cm
Upper quarter
6 cm
Largest
10 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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

Pike Dace European eel Roach Perch Gudgeon

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 →