RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Brett (Headwaters)

Largest measured 3-spined stickleback: 5.7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Brett (Headwaters) was 5.7 cm, recorded at Lavenham Ford on 14 March 1997.

Across 251 measured 3-spined stickleback, the median measured length was 3.8 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 Brett (Headwaters).

See 3-spined stickleback records across England →

Most recent observation15 March 2016Nether Hall Farm · 12 fish
Largest measured 3-spined stickleback
5.7 cm
Median length
3.8 cm
Fish measured
251
Survey locations
4

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
5.7 cm14 Mar 1997Lavenham Ford13350
5.6 cm14 Mar 1997Nether Hall Farm13349
5.5 cm26 May 2004Lavenham STW84170
5.3 cm14 Mar 1997Nether Hall Farm13349
5.2 cm10 Mar 1997Hill Farm Bridge13352
5.2 cm10 Mar 1997Hill Farm Bridge13352
5.1 cm14 Mar 1997Nether Hall Farm13349
5 cm26 May 2004Nether Hall Farm84177
5 cm26 May 2004Lavenham Ford84172
5 cm14 Mar 1997Lavenham Ford13350

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
Nether Hall Farm14 Mar 199715 Mar 20164
Lavenham STW10 Mar 199712 Feb 20103
Hill Farm Bridge10 Mar 199728 May 20042
Lavenham Ford14 Mar 199726 May 20042

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

1997–2016

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 251 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
3.2 cm
Median
3.8 cm
Upper quarter
4.2 cm
Largest
5.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brett (Headwaters)

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

Minnow Stone loach Bullhead

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 →