RiverFish

10-spined stickleback · Pungitius pungitius

10-spined stickleback in the River Mimram

Largest measured 10-spined stickleback: 6.5 cm

The largest 10-spined stickleback measured in Environment Agency surveys of the River Mimram was 6.5 cm, recorded at Codicote restoration middle fixed effort on 28 February 2007.

Across 17 measured 10-spined stickleback, the median measured length was 4.3 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 Mimram.

See 10-spined stickleback records across England →

Most recent observation7 February 2019Fulling Mill · 2 fish
Largest measured 10-spined stickleback
6.5 cm
Median length
4.3 cm
Fish measured
17
Survey locations
10

Individual EA measurements

Largest measured 10-spined stickleback

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
6.5 cm28 Feb 2007Codicote restoration middle fixed effort104612
6.1 cm28 Feb 2007Codicote restoration middle fixed effort104612
5.5 cm27 Feb 2007Codicote restoration u/s104610
5.4 cm28 Feb 2007Codicote restoration middle fixed effort104612
5.4 cm27 Feb 2007Codicote restoration u/s104610
5.1 cm28 Feb 2007Codicote restoration middle fully quant104616
4.9 cm1 Mar 2007Codicote restoration d/s104617
4.7 cm6 Feb 2019Codicote Station 2156120
4.3 cm26 Feb 2007Duck Trap Wood104562
4.2 cm7 Feb 2019Fulling Mill156124

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where 10-spined stickleback were found

Each point marks a survey location with at least one 10-spined stickleback 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 10-spined stickleback
Fulling Mill22 Feb 20187 Feb 20192
Codicote Station 26 Feb 20196 Feb 20191
Panshanger quarry26 Apr 200724 Oct 20172
Tewin Flyfishers3 Oct 20073 Oct 20071
Codicote restoration d/s1 Mar 20071 Mar 20071
Codicote restoration middle fully quant28 Feb 200728 Feb 20071
Codicote restoration middle fixed effort28 Feb 200728 Feb 20071
Codicote restoration u/s27 Feb 200727 Feb 20071
Rye end cottages26 Feb 200726 Feb 20071
Duck Trap Wood26 Feb 200726 Feb 20071

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

2007–2019

Survey records by year

Each bar shows how many survey visits recorded 10-spined stickleback that year.

Fish measured by surveyors

Measured length distribution

See how the 17 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
4.1 cm
Median
4.3 cm
Upper quarter
5.4 cm
Largest
6.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mimram

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

Bullhead Brown / sea trout Stone loach 3-spined stickleback Minnow 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 →