RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Hiz

Largest measured stone loach: 13.8 cm

The largest stone loach measured in Environment Agency surveys of the River Hiz was 13.8 cm, recorded at Arlesey Garden on 10 March 1989.

Across 206 measured stone loach, the median measured length was 10.1 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 Hiz.

See stone loach records across England →

Most recent observation2 July 2024Ickleford Common · 8 fish
Largest measured stone loach
13.8 cm
Median length
10.1 cm
Fish measured
206
Survey locations
4

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
13.8 cm10 Mar 1989Arlesey Garden29286
13.8 cm10 Mar 1989Arlesey Garden29286
13.5 cm18 Sept 2019Ickleford Common155518
13.3 cm10 Mar 1989Arlesey Garden29286
13.1 cm9 May 2016Ickleford Common147997
13 cm2 Jul 2024Ickleford Common165397
12.8 cm10 Mar 1989Arlesey Garden29286
12.8 cm10 Mar 1989Arlesey Garden29286
12.8 cm10 Mar 1989Arlesey Garden29286
12.6 cm9 May 2016Ickleford Common147997

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
Ickleford Common24 May 20122 Jul 20244
Amenity Trees Arlesey6 Mar 201325 May 20162
Arlesey Garden10 Mar 198925 May 19982
Church End10 Mar 198929 Apr 19982

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

1989–2024

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 206 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
9.3 cm
Median
10.1 cm
Upper quarter
11.1 cm
Largest
13.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hiz

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

3-spined stickleback Bullhead Pike Minnow Gudgeon 10-spined stickleback

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 →