Minnow · Phoxinus phoxinus

Minnow in the River Main Culm

Largest measured minnow: 8.7 cm

The largest minnow measured in Environment Agency surveys of the River Main Culm was 8.7 cm, recorded at Whitehall Bridge (Sp) on 8 August 2019.

Across 352 measured minnow, the median measured length was 5.7 cm.

Surveyors recorded weights for 34 minnow. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.3 oz (0.009 kg).

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

See minnow records across England →

Most recent observation22 May 2026Glasshouses · 166 fish

Largest measured minnow: 8.7 cm
Median length: 5.7 cm
Fish measured: 352
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.

Length	Survey date	Survey location	Survey ID
8.7 cm	8 Aug 2019	Whitehall Bridge (Sp)	155033
8.7 cm	8 Sept 2009	Coldharbour Leat (CFTe)*	118848
8.6 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
8.6 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
8.5 cm	6 Jun 2019	Palmers Farm (Sp/WFD)	154559
8.5 cm	29 Apr 2019	Glasshouses	154868
8.3 cm	8 Aug 2019	200m Downstream Culmstock Bridge (Sp /Dip)	155375
8.1 cm	8 Aug 2019	Whitehall Bridge (Sp)	155033
8.1 cm	6 Jun 2019	Palmers Farm (Sp/WFD)	154559
8.1 cm	6 Jun 2019	Palmers Farm (Sp/WFD)	154559

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 surveyed	First recorded	Last recorded	Visits finding minnow
Glasshouses	29 Apr 2019	22 May 2026	2
Palmers Farm (Sp/WFD)	30 May 1997	29 May 2025	4
Downstream Ellerhayes Bridge	5 Oct 2023	5 Oct 2023	1
Columbjohn (CFTe/wfdi)*	18 Jun 1997	5 Oct 2023	10
Whitehall Bridge (Sp)	4 Jul 2013	8 Aug 2019	2
200m Downstream Culmstock Bridge (Sp /Dip)	25 Jun 2013	8 Aug 2019	2
Uffculme (Sp)	9 Jun 1997	18 Jun 2019	5
Venn Farm (Sp)*	9 Jun 1997	1 Jul 2013	4
Coldharbour Leat (CFTe)*	8 Oct 2003	8 Sept 2009	6
Langlands D/s ford (Dip)*	11 Oct 2003	1 Oct 2008	5
Downstream Culmstock Br. (Dip)*	16 Sept 2008	16 Sept 2008	1
Hemyock (Sp)*	6 Jun 1997	22 May 2008	2
Langlands Horseshoe (Dip)*	8 Oct 2003	2 Nov 2006	4
Footbridge in Uffculm (Dip)*	9 Sept 2005	9 Sept 2005	1
Lower Kingsmill (CFTe)*	10 Jun 1997	24 Sept 2003	3
Skinners Farm (Sp)*	9 Jun 1997	21 Jun 2000	2
Stoke Canon (CFTe)*	17 Jun 1997	17 Jun 1997	1
Southey Barton (Sp)*	6 Jun 1997	6 Jun 1997	1
Culmstock (Sp)*	6 Jun 1997	6 Jun 1997	1

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

1997–2026

Survey records by year

Each bar shows how many survey visits recorded minnow that year.

1097

098

099

400

001

102

503

304

405

406

207

708

209

010

011

012

413

014

015

016

017

018

619

020

021

122

223

024

125

126

Fish measured by surveyors

Measured length distribution

See how the 352 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 5 cm
Median: 5.7 cm
Upper quarter: 6.5 cm
Largest: 8.7 cm

0–99 mm

352

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 34 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 (0.0032 kg)
Median: 0.1 oz (0.004 kg)
Upper quarter: 0.2 oz (0.006 kg)
Heaviest: 0.3 oz (0.009 kg)

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

More fish in this river

Explore the River Main Culm

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

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

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 →