RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Weaver

Largest measured 3-spined stickleback: 6.4 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Weaver was 6.4 cm, recorded at Wewe10 on 8 June 2004.

Across 21 measured 3-spined stickleback, the median measured length was 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 Weaver.

See 3-spined stickleback records across England →

Most recent observation18 June 2026Wewe04
Largest measured 3-spined stickleback
6.4 cm
Median length
5 cm
Fish measured
21
Survey locations
11

Individual EA measurements

Largest measured 3-spined stickleback

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

LengthSurvey dateSurvey locationSurvey ID
6.4 cm8 Jun 2004Wewe1081685
5.9 cm9 Jun 2004Wewe2580421
5.6 cm8 Jun 2004Wewe0580204
5.5 cm8 Jun 2004Wewe0580204
5.5 cm8 Jun 2004Wewe0580204
5.5 cm8 Jun 2004Wewe0580204
5.4 cm8 Jun 2004Wewe0580204
5.1 cm8 Jun 2004Wewe0580204
5 cm8 Jun 2004Wewe1081685
5 cm8 Jun 2004Wewe0580204

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

Explore the river

Where 3-spined stickleback were found

Each point marks a survey location with at least one 3-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 3-spined stickleback
Wewe0418 Jun 202618 Jun 20261
Wewe2412 Aug 201512 Aug 20151
Wewe2811 Jul 200621 Jul 20082
Wewe1030 Jun 199921 Jul 20083
Wewe2523 Jul 20039 Jun 20042
Wewe0513 Sept 20028 Jun 20043
We141 Jun 20041 Jun 20041
We376 Jul 19996 Jul 19991
We3130 Jun 199930 Jun 19991
We3030 Jun 199930 Jun 19991
We3525 Jun 199925 Jun 19991

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

1999–2026

Survey records by year

Each bar shows how many survey visits recorded 3-spined stickleback that year.

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
4.5 cm
Median
5 cm
Upper quarter
5.5 cm
Largest
6.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Weaver

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

Gudgeon Stone loach Roach Chub Perch Dace

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 →