10-spined stickleback · Pungitius pungitius

10-spined stickleback in the River Colne

Largest measured 10-spined stickleback: 5 cm

The largest 10-spined stickleback measured in Environment Agency surveys of the River Colne was 5 cm, recorded at Chalkney Mill on 14 May 2014.

Across 8 measured 10-spined stickleback, the median measured length was 4.2 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 Colne.

See 10-spined stickleback records across England →

Most recent observation16 June 2026Blue Bridge · 1 fish
Largest measured 10-spined stickleback
5 cm
Median length
4.2 cm
Fish measured
8
Survey locations
4

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
5 cm14 May 2014Chalkney Mill141104
4.9 cm27 Jun 2017Nunnery Bridge150792
4.5 cm27 Jun 2017Nunnery Bridge150792
4.4 cm13 Jun 2014Blue Bridge141155
3.9 cm13 Jun 2023Nunnery Bridge162724
3.8 cm16 Jun 2026Blue Bridge181751
3.6 cm6 Jun 2014Brook Street Farm141592
2.4 cm8 Jun 2017Brook Street Farm150791

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
Blue Bridge13 Jun 201416 Jun 20262
Nunnery Bridge27 Jun 201713 Jun 20232
Brook Street Farm6 Jun 20148 Jun 20172
Chalkney Mill14 May 201414 May 20141

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

2014–2026

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 8 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
3.8 cm
Median
4.2 cm
Upper quarter
4.6 cm
Largest
5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Colne

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 →