Stone loach · Barbatula barbatula

Stone loach in the Knee Brook

Largest measured stone loach: 12.8 cm

The largest stone loach measured in Environment Agency surveys of the Knee Brook was 12.8 cm, recorded at Chipping Campden on 17 October 1990.

Across 25 measured stone loach, the median measured length was 9.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Knee Brook.

See stone loach records across England →

Most recent observation8 September 1999u/s & d/s confl. Blockley Brook · 1 fish

Largest measured stone loach: 12.8 cm
Median length: 9.5 cm
Fish measured: 25
Survey locations: 3

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
12.8 cm	17 Oct 1990	Chipping Campden	80663
12.5 cm	17 Oct 1990	Chipping Campden	80663
11.3 cm	29 Jun 1994	u/s & d/s confl. Blockley Brook	72888
11.1 cm	17 Oct 1990	Chipping Campden	80663
10.8 cm	29 Jun 1994	Neighbrook House	72950
10.3 cm	17 Oct 1990	u/s & d/s confl. Blockley Brook	80683
10.2 cm	29 Jun 1994	u/s & d/s confl. Blockley Brook	72888
10 cm	17 Oct 1990	Chipping Campden	80663
9.9 cm	29 Jun 1994	u/s & d/s confl. Blockley Brook	72888
9.8 cm	29 Jun 1994	u/s & d/s confl. Blockley Brook	72888

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
u/s & d/s confl. Blockley Brook	17 Oct 1990	8 Sept 1999	3
Chipping Campden	17 Oct 1990	30 Jun 1994	2
Neighbrook House	9 Sept 1981	29 Jun 1994	3

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

1981–1999

Survey records by year

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

181

082

083

084

085

086

087

088

089

390

091

092

093

394

095

096

097

098

199

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest: 2.5 cm
Lower quarter: 7.6 cm
Median: 9.5 cm
Upper quarter: 10.2 cm
Largest: 12.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Knee Brook

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

Brown / sea trout Bullhead Minnow 3-spined stickleback Chub Dace

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 →