Stone loach · Barbatula barbatula

Stone loach in the River US Cam

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the River US Cam was 11.7 cm, recorded at Littlebury on 12 March 2025.

Across 214 measured stone loach, the median measured length was 7.6 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 US Cam.

See stone loach records across England →

Most recent observation2 June 2026Pampisford Mill · 4 fish

Largest measured stone loach: 11.7 cm
Median length: 7.6 cm
Fish measured: 214
Survey locations: 11

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.

Length	Survey date	Survey location	Survey ID
11.7 cm	12 Mar 2025	Littlebury	175950
11.5 cm	2 Jul 2013	Littlebury	136854
11.4 cm	12 Mar 2025	Littlebury	175950
11.3 cm	18 Feb 1998	Hinxton	29478
11.3 cm	18 Feb 1998	Hinxton	29478
11.2 cm	12 Mar 2025	Littlebury	175950
11 cm	12 Mar 2025	Littlebury	175950
10.6 cm	24 Sept 2015	Audley End	146678
10.6 cm	2 Jul 2013	Littlebury	136854
10.4 cm	24 Sept 2015	Audley End	146678

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 surveyed	First recorded	Last recorded	Visits finding stone loach
Pampisford Mill	5 Dec 1996	2 Jun 2026	4
Littlebury	30 Sept 1993	12 Mar 2025	5
Audley End	24 Sept 2015	24 Sept 2015	1
P.B.I (Trumpington Meadows)	22 Feb 2005	26 Jul 2013	4
Hinxton	18 Feb 1998	3 Jul 2013	2
Byron's Pool Bypass Channel	9 May 2011	4 Jul 2012	3
Hauxton Junction	16 Mar 2010	11 Nov 2010	2
Hauxton Mill Bridge	17 Sept 2008	16 Mar 2010	2
DS Hauxton Mill Bridge	16 Mar 2010	16 Mar 2010	1
Rectory Farm	21 Sept 1993	17 Dec 1996	2
Sawston Paper Mill	22 Sept 1993	16 Dec 1996	2

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 stone loach that year.

393

094

095

396

097

198

099

000

001

002

003

004

205

006

007

108

009

610

211

112

413

014

115

016

017

018

119

020

021

022

023

024

225

126

Fish measured by surveyors

Measured length distribution

See how the 214 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 6.3 cm
Median: 7.6 cm
Upper quarter: 8.9 cm
Largest: 11.7 cm

0–99 mm

192

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Cam

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

Roach Chub Perch Gudgeon Dace Brown / sea trout

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 →