RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Coquet

Largest measured 3-spined stickleback: 5.9 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Coquet was 5.9 cm, recorded at River Alwin on 7 August 2007.

Across 93 measured 3-spined stickleback, the median measured length was 2.8 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 Coquet.

See 3-spined stickleback records across England →

Most recent observation17 June 2026Low Alwinton
Largest measured 3-spined stickleback
5.9 cm
Median length
2.8 cm
Fish measured
93
Survey locations
29

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
5.9 cm7 Aug 2007River Alwin107292
5.5 cm8 Aug 2007Grange Burn107305
5.5 cm7 Aug 2007River Alwin107292
5 cm8 Aug 2007Grange Burn107305
4.5 cm19 Jun 2007River Coquet at Pauperhaugh107315
4.4 cm16 Aug 2007Tyelaw Burn107310
4.4 cm16 Aug 2007Tyelaw Burn107310
4.3 cm16 Aug 2007Tyelaw Burn107310
4 cm16 Aug 2007Tyelaw Burn107310
4 cm16 Aug 2007Tyelaw Burn107310

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
Low Alwinton24 Sept 199617 Jun 20267
Grange Burn8 Aug 200727 Jun 20254
Grasslees Burn4 Jul 201924 Jun 20252
Rothbury Car Park1 Sept 199329 Jun 20227
Netherton Burn2 Sept 199324 Sept 20214
River Coquet at Elyhaugh2 Oct 19968 Jul 20197
River Coquet at Felton5 Sept 20155 Sept 20151
Newton Burn at Lowsteads Farm31 Aug 20064 Sept 20153
Mere Burn4 Sept 20154 Sept 20151
River Coquet at Pauperhaugh1 Aug 20063 Aug 20103
Hepple Bridge4 Aug 20033 Aug 20103
Longdike Burn at Eschotthaugh31 Aug 200624 Jul 20102
Tyelaw Burn16 Aug 200716 Aug 20071
River Alwin31 Aug 19937 Aug 20073
Grasslees Burn 37 Oct 20067 Oct 20061
Usway Burn 21 Oct 20061 Oct 20061
River Coquet at Harbottle30 Sept 200630 Sept 20061
River Coquet at Brinkburn Piory28 Sept 200628 Sept 20061
River Coquet at Newton22 Sept 200622 Sept 20061
Coquet at Rothbury Golf Club22 Sept 200622 Sept 20061
River Alwin at Clennell18 Sept 200618 Sept 20061
Todd Burn1 Sept 20061 Sept 20061
Longdike Burn near Causey Farm31 Aug 200631 Aug 20061
River Coquet at Wagtail Farm24 Aug 200624 Aug 20061
Netherton Burn, Burnfoot2 Sept 199324 Aug 20062
Thirston Burn 225 Sept 199625 Sept 19961
Thirston Burn25 Sept 199625 Sept 19961
River Coquet at Caistron6 Sept 19956 Sept 19951
Forest Burn8 Sept 19938 Sept 19931

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

1993–2026

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 93 measured fish were spread across different length ranges.

Smallest
1.3 cm
Lower quarter
2.5 cm
Median
2.8 cm
Upper quarter
3.3 cm
Largest
5.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Coquet

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

Brown / sea trout Atlantic salmon Stone loach Minnow European eel River lamprey

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 →