RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Gade

Largest measured minnow: 24.3 cm

The largest minnow measured in Environment Agency surveys of the River Gade was 24.3 cm, recorded at Gadebridge Park on 26 May 2004.

Across 1,329 measured minnow, the median measured length was 5.3 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 Gade.

See minnow records across England →

Most recent observation29 September 2025Gadebridge Park post-enhancement
Largest measured minnow
24.3 cm
Median length
5.3 cm
Fish measured
1,329
Survey locations
9

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
24.3 cm26 May 2004Gadebridge Park81221
10.4 cm3 Aug 2005Cassiobury Park85313
10.4 cm3 Aug 2005Cassiobury Park85313
10.4 cm12 Feb 2002Gadebridge Park79485
9.5 cm3 Aug 2005Cassiobury Park85313
9.3 cm6 Jun 2022Gadebridge Park161134
9.2 cm6 Jun 2022Gadebridge Park161134
9 cm3 Aug 2005Cassiobury Park85313
9 cm26 May 2004Gadebridge Park81221
9 cm3 Oct 2000Cassiobury Park75768

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
Gadebridge Park post-enhancement29 Sept 202529 Sept 20251
Cura Fisheries23 Jul 200425 Apr 20246
Gadebridge Park12 Feb 20026 Jun 20225
Upstream Gadebridge Lane28 May 202128 May 20211
Gadebridge park pre-ehancement28 May 202128 May 20211
Kings Langley15 Jul 200411 Jun 20132
Cassiobury Park3 Oct 200023 Apr 201310
Piccotts End28 Feb 200228 Feb 20021
Dacorum College21 Feb 200221 Feb 20021

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

2000–2025

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 1,329 measured fish were spread across different length ranges.

Smallest
1.1 cm
Lower quarter
4.4 cm
Median
5.3 cm
Upper quarter
6.1 cm
Largest
24.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gade

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

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

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 →