RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Welland

Largest measured stone loach: 13.6 cm

The largest stone loach measured in Environment Agency surveys of the River Welland was 13.6 cm, recorded at Turtle Bridge on 1 August 2006.

Across 226 measured stone loach, the median measured length was 7.5 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 stone loach records across England →

Most recent observation13 May 2026300 yard Downstream Ashley Gauging Weir · 4 fish
Largest measured stone loach
13.6 cm
Median length
7.5 cm
Fish measured
226
Survey locations
43

Individual EA measurements

Largest measured stone loach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
13.6 cm1 Aug 2006Turtle Bridge100510
12 cm1 Aug 2006Turtle Bridge100510
11.9 cm1 Aug 2006Turtle Bridge100510
11.8 cm7 May 2026Upstream Great Bowden Road Bridge181211
11 cm25 May 2000Upstream Lubenham Road Bridge73074
11 cm7 May 1996Upstream Lubenham Road Bridge54279
11 cm30 Apr 1993300 yard Downstream Ashley Gauging Weir54255
10.4 cm1 Aug 2006Turtle Bridge100510
10.4 cm1 Aug 2006Turtle Bridge100510
10.1 cm1 Aug 2006Turtle Bridge100510

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where stone loach were found

Each point marks a survey location with at least one stone loach 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 stone loach
300 yard Downstream Ashley Gauging Weir30 Apr 199313 May 202610
Upstream Great Bowden Road Bridge25 May 19907 May 20269
Hudds Mill Downstream Weir (main channel)27 Aug 200916 Oct 20244
Sandy Lane28 Jul 200010 Oct 202412
Market Harborough Pre habitat survey8 Jul 20228 Jul 20221
Stamford Meadows10 May 19933 Oct 201812
Blackgate18 Oct 200125 Oct 20175
Downstream Harringworth Road Bridge7 May 199327 Sept 201714
Downstream Duddington Road Bridge12 May 199321 Sept 201714
Upstream Ashley Gauging Weir16 Apr 201418 Sept 20172
Downstream Tinwell weir2 Sept 200914 Oct 20163
Upstream Wakerly Road Bridge10 May 20116 Oct 20163
Downstream Lolham Bridge17 Sept 199010 Oct 20144
Upstream Welham Road Bridge22 Apr 19939 Oct 20147
Downstream Uffington20 May 19934 Jul 20149
Upstream Bringhurst Road Bridge30 Apr 19933 Jul 20147
Thorpe by Water2 Jul 20142 Jul 20141
Upstream Ashley Road Bridge22 Apr 199330 Jun 20144
Weston19 May 201419 May 20141
Downstream Gretton Road Bridge4 May 199313 May 20145
Downstream STW Market Harborough23 May 19909 May 20147
500 yards Upstream Ashley Gauging Weir16 Apr 201416 Apr 20141
Marston Trussel10 Apr 201410 Apr 20141
Brook Drain23 Apr 201323 Apr 20131
Upstream Lubenham Road Bridge30 Mar 199323 May 20117
Upstream Harringworth Viaduct5 May 19934 May 20113
Downstream Lolham Mill Stream17 May 199317 Jun 20106
Right Hand Bank18 Nov 200818 Nov 20081
Middle Section18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Downstream Rockingham Road Bridge4 May 19933 Aug 20064
Downstream Bringhurst Road Bridge2 Jun 20043 Aug 20062
Turtle Bridge1 Aug 20061 Aug 20061
Wherry's Mill20 Apr 200520 Apr 20051
Upstream Tallington Road Bridge27 Jul 200027 Jul 20001
Downstream Collyweston Road Bridge25 Jul 200025 Jul 20001
Upstream Tinwell Mill11 May 199320 Jul 20002
Great Bowden30 Mar 199325 Apr 19962
Upstream Lolham Mill Stream17 May 199317 May 19931
Tallington Mill Upstream14 May 199314 May 19931
Market Harborough Upstream Road Bridge21 Apr 199321 Apr 19931

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

1990–2026

Survey records by year

Each bar shows how many survey visits recorded stone loach that year.

Fish measured by surveyors

Measured length distribution

See how the 226 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
6.5 cm
Median
7.5 cm
Upper quarter
8.5 cm
Largest
13.6 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.

Pike Dace European eel Roach Perch Gudgeon

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 →