3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Ryton

Largest measured 3-spined stickleback: 5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Ryton was 5 cm, recorded at Potters Nook Bridge on 13 May 2015.

Across 13 measured 3-spined stickleback, the median measured length was 4 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 Ryton.

See 3-spined stickleback records across England →

Most recent observation6 July 2017Scofton · 9 fish
Largest measured 3-spined stickleback
5 cm
Median length
4 cm
Fish measured
13
Survey locations
5

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
5 cm13 May 2015Potters Nook Bridge146193
4.9 cm6 Jul 2017Scofton150899
4.9 cm13 May 2015Potters Nook Bridge146193
4.8 cm6 Jul 2017Scofton150899
4.5 cm13 May 2015Potters Nook Bridge146193
4.3 cm6 Jul 2017Scofton150899
4 cm6 Jul 2017Scofton150899
3.6 cm20 Sept 2012Scofton133784
3.5 cm6 Jul 2017Scofton150899
2.5 cm6 Jul 2017Scofton150899

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
Scofton13 Oct 19996 Jul 20174
Potters Nook Bridge13 May 201513 May 20151
Serlby20 Sept 201220 Sept 20121
Red Bridge Hodsock27 Jun 200627 Jun 20061
Shireoaks12 Oct 199912 Oct 19991

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

1999–2017

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 13 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
2.5 cm
Median
4 cm
Upper quarter
4.8 cm
Largest
5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ryton

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 →