RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Derwent

Largest measured minnow: 8.2 cm

The largest minnow measured in Environment Agency surveys of the River Derwent was 8.2 cm, recorded at River Derwent at Allensford on 20 August 2007.

Across 34 measured minnow, the median measured length was 5.9 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 Derwent.

See minnow records across England →

Most recent observation15 July 2025River Derwent at Clockburn
Largest measured minnow
8.2 cm
Median length
5.9 cm
Fish measured
34
Survey locations
16

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
8.2 cm20 Aug 2007River Derwent at Allensford107176
6.8 cm26 Aug 2007River Derwent at Ruffside Picnic Site107136
6.7 cm26 Aug 2007River Derwent at Blanchland107147
6.7 cm26 Aug 2007River Derwent at Blanchland107147
6.7 cm20 Aug 2007River Derwent at Allensford107176
6.6 cm26 Aug 2007River Derwent at Blanchland107147
6.5 cm26 Aug 2007River Derwent at Blanchland107147
6.5 cm26 Aug 2007River Derwent at Blanchland107147
6.5 cm26 Aug 2007River Derwent at Blanchland107147
6.4 cm26 Aug 2007River Derwent at Blanchland107147

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
River Derwent at Clockburn28 Aug 200715 Jul 20254
River Derwent at Shotley Bridge14 Aug 200714 Jul 20257
River Derwent at Cricket Club20 Aug 200714 Jul 20254
River Derwent at Allensford20 Aug 200714 Jul 20254
River Derwent at Ruffside Picnic Site26 Aug 200711 Jul 20257
River Derwent at Rowlands Gill26 Aug 20133 Jul 20237
River Derwent at Blackhall Mill13 Sept 20049 Sept 20197
River Derwent at Ebchester21 Aug 20076 Sept 20192
River Derwent at Crooked Oak21 Sept 200627 Aug 20192
River Derwent at Hag Hill27 Aug 200718 Aug 20177
River Derwent at Lintzford3 Sept 201417 Aug 20173
River Derwent at Ebchester Bridge26 Sept 201526 Sept 20151
River Derwent at Blanchland26 Aug 200713 Sept 20092
River Derwent at Eddy's Bridge28 Aug 200728 Aug 20071
Hisehope Burn26 Jun 200726 Jun 20071
River Derwent at Rowlands Gill Caravan Park14 Oct 200514 Oct 20051

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

2004–2025

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 34 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
5.6 cm
Median
5.9 cm
Upper quarter
6.5 cm
Largest
8.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Derwent

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

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

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 →