3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Welland

Largest measured 3-spined stickleback: 9.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Welland was 9.5 cm, recorded at Upstream Ashley Road Bridge on 22 April 1993.

Across 64 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 Welland.

See 3-spined stickleback records across England →

Most recent observation10 October 2024Sandy Lane · 2 fish
Largest measured 3-spined stickleback
9.5 cm
Median length
4 cm
Fish measured
64
Survey locations
33

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
9.5 cm22 Apr 1993Upstream Ashley Road Bridge54254
7.5 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
7 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
7 cm30 Mar 1993Upstream Lubenham Road Bridge54249
6.5 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
5.5 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
5 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
5 cm21 Apr 1993Market Harborough Upstream Road Bridge54250
5 cm21 Apr 1993Market Harborough Upstream Road Bridge54250
5 cm21 Apr 1993Market Harborough Upstream Road Bridge54250

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
Sandy Lane13 Oct 201610 Oct 20243
Upstream Lubenham Road Bridge30 Mar 199331 Aug 20237
Market Harborough Pre habitat survey8 Jul 20228 Jul 20221
Hudds Mill Downstream Weir (main channel)27 Aug 20094 Oct 20182
Upstream Wakerly Road Bridge10 May 20111 Oct 20183
Downstream Duddington Road Bridge16 Jul 200221 Sept 20174
Upstream Ashley Gauging Weir12 Oct 201618 Sept 20172
Upstream Great Bowden Road Bridge25 May 19909 May 20175
Upstream Welham Road Bridge9 Oct 20139 Oct 20142
Brook Drain23 Apr 201323 Apr 20131
Werrington Brook22 Apr 201322 Apr 20131
Downstream STW Market Harborough21 Apr 199319 May 20113
Downstream Gretton Road Bridge12 Jul 200012 May 20112
Upstream Bringhurst Road Bridge9 Jun 20109 Jun 20101
Stamford Meadows14 May 200913 May 20102
Downstream Tinwell weir2 Sept 20092 Sept 20091
Upstream Ashley Road Bridge22 Apr 19932 Jun 20092
300 yard Downstream Ashley Gauging Weir30 Apr 19932 Jun 20092
Right Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Downstream Harringworth Road Bridge7 May 20087 May 20081
Downstream Rockingham Road Bridge4 May 19933 Aug 20062
Downstream Bringhurst Road Bridge3 Aug 20063 Aug 20061
Turtle Bridge1 Aug 20061 Aug 20061
Wherry's Mill20 Apr 200520 Apr 20051
Upstream Tallington Road Bridge27 Jul 200027 Jul 20001
Downstream Lolham Mill Stream27 Jul 200027 Jul 20001
Market Harborough Upstream Road Bridge21 Apr 199323 May 20002
Blackgate14 Nov 19908 Jun 19932
Great Bowden30 Mar 199330 Mar 19931

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

1990–2024

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 64 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
3.5 cm
Median
4 cm
Upper quarter
4.5 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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 →