RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Siblyback

Largest measured 3-spined stickleback: 4.9 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Siblyback was 4.9 cm, recorded at d/s Siblyback Lake on 9 September 2021.

Across 61 measured 3-spined stickleback, the median measured length was 3.6 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 Siblyback.

See 3-spined stickleback records across England →

Most recent observation26 September 2023d/s Siblyback Lake · 8 fish
Largest measured 3-spined stickleback
4.9 cm
Median length
3.6 cm
Fish measured
61
Survey locations
1

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
4.9 cm9 Sept 2021d/s Siblyback Lake160532
4.4 cm19 Sept 2019d/s Siblyback Lake155646
4.2 cm26 Sept 2023d/s Siblyback Lake163394
4.2 cm19 Sept 2019d/s Siblyback Lake155646
4.1 cm26 Sept 2023d/s Siblyback Lake163394
4.1 cm9 Sept 2021d/s Siblyback Lake160532
4.1 cm19 Sept 2019d/s Siblyback Lake155646
4 cm26 Sept 2023d/s Siblyback Lake163394
4 cm26 Sept 2023d/s Siblyback Lake163394
4 cm19 Sept 2019d/s Siblyback Lake155646

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
d/s Siblyback Lake12 Jul 199426 Sept 20235

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

1994–2023

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 61 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
3.3 cm
Median
3.6 cm
Upper quarter
3.8 cm
Largest
4.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Siblyback

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

Brown / sea trout Bullhead European eel Atlantic salmon Minnow

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 →