RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Derwent (Yorkshire)

Largest measured 3-spined stickleback: 5.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Derwent (Yorkshire) was 5.8 cm, recorded at Yedingham Fish Haven - Fry Survey on 20 September 1996.

Across 1,752 measured 3-spined stickleback, the median measured length was 2.9 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 Derwent (Yorkshire).

See 3-spined stickleback records across England →

Most recent observation11 August 2025Yedingham - Fry Survey · 2 fish
Largest measured 3-spined stickleback
5.8 cm
Median length
2.9 cm
Fish measured
1,752
Survey locations
17

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
5.8 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.6 cm15 Sept 2004Yedingham - Fry Survey130928
5.6 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.5 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.5 cm17 Sept 1990Yedingham - Fry Survey130914
5.4 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.3 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.3 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.3 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941
5.3 cm20 Sept 1996Yedingham Fish Haven - Fry Survey130941

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
Yedingham - Fry Survey18 Sept 198411 Aug 202533
Yedingham DERCORS45 Sept 200131 Jul 20242
Bubwith - Fry Survey18 Sept 198410 Aug 201822
Malton DERCORS52 Sept 200216 Jul 20184
Buttercrambe DERCORS921 Jul 201521 Jul 20151
Downstream Wrench Green Bridge.DERBT213 Sept 201213 Sept 20121
Stamford Bridge DERCORS1024 Apr 199527 Jul 20124
Sutton Upon Derwent DERCORS1826 Sept 199726 Jul 20123
Low Hutton DERCORS64 Sept 200221 Sept 20053
Barmby on the Marsh DERCORS218 Sept 200011 Sept 20033
Breighton DERCORS2017 Sept 200110 Sept 20033
Downstream Forge Valley gauging weir. DERBT5.24 Sept 200124 Sept 20011
Wheldrake Ings DERCORS1917 Sept 200117 Sept 20011
Howsham DERCORS812 Sept 200112 Sept 20011
Kirkham Abbey DERCORS77 Sept 20017 Sept 20011
Yedingham Fish Haven - Fry Survey18 Sept 198920 Sept 19999
Low Marishes Fish Haven - Fry Survey18 Sept 198918 Sept 19956

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

1984–2025

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 1,752 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
2.4 cm
Median
2.9 cm
Upper quarter
3.5 cm
Largest
5.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Derwent (Yorkshire)

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

Minnow Bullhead Stone loach Dace European eel Roach

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 →