Minnow · Phoxinus phoxinus

Minnow in the River Medlock

Largest measured minnow: 9.4 cm

The largest minnow measured in Environment Agency surveys of the River Medlock was 9.4 cm, recorded at Mdme05 on 25 May 2004.

Across 659 measured minnow, the median measured length was 6.1 cm.

Surveyors recorded weights for 17 minnow. The median was 0.2 oz (0.006 kg) and the largest recorded weight was 0.4 oz (0.01 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 Medlock.

See minnow records across England →

Most recent observation1 June 2023Mdme31

Largest measured minnow: 9.4 cm
Median length: 6.1 cm
Fish measured: 659
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.

Length	Survey date	Survey location	Survey ID
9.4 cm	25 May 2004	Mdme05	80155
9.3 cm	16 Jun 2003	Mdme10	76162
9.3 cm	25 Sept 2002	Mdme20	62062
9.2 cm	17 Jun 2003	Mdme20	76165
9.2 cm	16 Jun 2003	Mdme10	76162
9.1 cm	27 May 2004	Mdme20	81359
9.1 cm	25 May 2004	Mdme10	81352
9 cm	27 May 2004	Mdme20	81359
9 cm	16 Jun 2003	Mdme15	76164
9 cm	25 Sept 2002	Mdme20	62062

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
Mdme31	1 Jun 2023	1 Jun 2023	1
Mdme26	31 May 2023	31 May 2023	1
Mdme15	2 Oct 1995	30 May 2023	10
Mdme05	21 Aug 2001	9 Oct 2018	8
Mdme20	25 Sept 2002	24 May 2013	7
Mdme30	19 Apr 2013	19 Apr 2013	1
Mdme22.5	18 Apr 2013	18 Apr 2013	1
Mdme25	25 Sept 2002	25 Apr 2006	5
Mdme10	10 Aug 2001	24 Apr 2006	6
Mdme17.5	21 Aug 2001	19 Jun 2002	2

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

1995–2023

Survey records by year

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

195

096

197

098

099

000

401

502

503

504

505

506

007

008

009

010

011

112

513

114

015

016

017

118

019

020

021

022

323

Fish measured by surveyors

Measured length distribution

See how the 659 measured fish were spread across different length ranges.

Smallest: 1.1 cm
Lower quarter: 4.2 cm
Median: 6.1 cm
Upper quarter: 7.3 cm
Largest: 9.4 cm

0–99 mm

659

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 17 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 (0.003 kg)
Median: 0.2 oz (0.006 kg)
Upper quarter: 0.3 oz (0.008 kg)
Heaviest: 0.4 oz (0.01 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 Medlock

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

Brown / sea trout Stone loach 3-spined stickleback Chub Perch Roach

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 →