Minnow · Phoxinus phoxinus

Minnow in the River Main Tamar

Largest measured minnow: 8 cm

The largest minnow measured in Environment Agency surveys of the River Main Tamar was 8 cm, recorded at Wishworthy on 23 August 2023.

Across 1,466 measured minnow, the median measured length was 4.5 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 Main Tamar.

See minnow records across England →

Most recent observation6 August 2025Tamarstone · 197 fish
Largest measured minnow
8 cm
Median length
4.5 cm
Fish measured
1,466
Survey locations
35

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 cm23 Aug 2023Wishworthy164005
7.8 cm21 Jul 2015Tamarstone145523
7.8 cm21 Jul 2014u/s North Tamerton141860
7.8 cm11 Jul 2011u/s North Tamerton126904
7.7 cm21 Jul 2015Tamarstone145523
7.7 cm28 Sept 2010u/s Tamar Lakes124790
7.6 cm15 Jul 2016Bridgerule148607
7.6 cm21 Jul 2015Tamarstone145523
7.6 cm21 Jul 2015Tamarstone145523
7.5 cm6 Sept 2022Dexbeer161869

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
Tamarstone2 Aug 19906 Aug 202526
u/s North Tamerton2 Sept 199316 Aug 202414
u/s Polson Bridge18 Aug 19935 Sept 20234
Lawhitton16 Sept 19965 Sept 20233
Wishworthy18 Aug 199323 Aug 20237
Lowley Confluence23 Aug 202323 Aug 20231
Gordonhill Plantation23 Aug 202323 Aug 20231
d/s Greystone Bridge18 Sept 199612 Jul 20232
d/s Netherbridge18 Aug 19933 Jul 20237
Dexbeer3 Aug 19906 Sept 202217
Luffincott19 Aug 199323 Aug 20226
u/s Lamerhooe Ford17 Sept 199619 Aug 20222
Tamartown1 Aug 19902 Aug 20227
Bridgerule24 Jul 19901 Aug 202214
Southcombe6 Sept 19997 Sept 20162
u/s Tamar Lakes29 Aug 200228 Sept 20104
Tetcott Gravel Reb Site 728 Sept 201028 Sept 20101
Tetcott Spawning Bed 219 Sept 200525 Sept 20062
Boyton19 Aug 199311 Sept 20064
North Tamerton10 Aug 19909 Aug 200614
Great Moreton19 Aug 19939 Aug 20066
Bridgetown19 Aug 199313 Jul 20043
u/s Small Brook8 Jul 19998 Jul 19991
d/s Small Brook8 Jul 19998 Jul 19991
Crowford Bridge30 Jul 199214 Aug 19987
Bradford Manor31 Jul 19927 Aug 19988
Moreton Mill4 Jun 199317 Sept 19962
d/s North Tamerton (upper riffle)8 Jun 19935 Jun 19953
u/s Trepoyle5 Jul 19937 Sept 19932
d/s Trepoyle5 Jul 19937 Sept 19932
d/s Crowford Bridge8 Jun 19936 Sept 19932
Haydon2 Jul 19936 Sept 19932
u/s North Tamerton (lower riffle)7 Jun 19932 Sept 19932
d/s North Tamerton (lower riffle)1 Jul 19932 Sept 19932
u/s North Tamerton (upper riffle)7 Jun 19937 Jun 19931

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

1990–2025

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 1,466 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
3.2 cm
Median
4.5 cm
Upper quarter
5.5 cm
Largest
8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Tamar

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

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 →