RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Ter (Headwaters)

Largest measured 3-spined stickleback: 6.1 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Ter (Headwaters) was 6.1 cm, recorded at Ridley Hall on 17 February 1998.

Across 100 measured 3-spined stickleback, the median measured length was 3.9 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 Ter (Headwaters).

See 3-spined stickleback records across England →

Most recent observation30 March 2012Great Leighs STW · 4 fish
Largest measured 3-spined stickleback
6.1 cm
Median length
3.9 cm
Fish measured
100
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
6.1 cm17 Feb 1998Ridley Hall13411
6 cm16 Mar 2005Great Leighs Reservoir84276
5.9 cm16 Mar 2005Molehill Green84275
5.6 cm16 Mar 2005Great Leighs Reservoir84276
5.5 cm16 Feb 1998Molehill Green13415
5.4 cm29 Mar 2012Molehill Green131133
5.4 cm16 Mar 2005Great Leighs Reservoir84276
5.2 cm17 Feb 1998Ridley Hall13411
5 cm16 Mar 2005Molehill Green84275
5 cm17 Feb 1998Ridley Hall13411

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
Great Leighs STW11 Feb 199830 Mar 20123
Molehill Green16 Feb 199829 Mar 20123
Great Leighs Reservoir16 Feb 199816 Mar 20052
Ridley Hall17 Feb 19989 Mar 20052
Lyons Hall (River Ter)16 Feb 199816 Feb 19981

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

1998–2012

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 100 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
3.4 cm
Median
3.9 cm
Upper quarter
4.2 cm
Largest
6.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ter (Headwaters)

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

Bullhead Brown / sea trout Stone loach Minnow European eel Brook 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 →