Stone loach · Barbatula barbatula

Stone loach in the Ivel Navigation

Largest measured stone loach: 11.8 cm

The largest stone loach measured in Environment Agency surveys of the Ivel Navigation was 11.8 cm, recorded at Horse Bridge on 11 May 2010.

Across 26 measured stone loach, the median measured length was 8.8 cm.

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

See stone loach records across England →

Most recent observation2 September 2024Horse Bridge · 3 fish

Largest measured stone loach: 11.8 cm
Median length: 8.8 cm
Fish measured: 26
Survey locations: 2

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
11.8 cm	11 May 2010	Horse Bridge	121497
11.4 cm	1 Sept 2016	Horse Bridge	149168
11.2 cm	11 May 2010	Horse Bridge	121497
10.4 cm	11 May 2010	Horse Bridge	121497
10.3 cm	1 Sept 2016	Horse Bridge	149168
10.3 cm	1 Sept 2016	Horse Bridge	149168
10.2 cm	1 Sept 2016	Horse Bridge	149168
9.9 cm	11 May 2010	Horse Bridge	121497
9.6 cm	11 May 2010	Horse Bridge	121497
9.2 cm	2 Sept 2024	Horse Bridge	166570

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
Horse Bridge	18 Jun 2009	2 Sept 2024	4
Clifton	21 May 2010	3 Aug 2016	2

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

2009–2024

Survey records by year

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

109

210

011

012

013

014

015

216

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 26 measured fish were spread across different length ranges.

Smallest: 6.5 cm
Lower quarter: 7.8 cm
Median: 8.8 cm
Upper quarter: 10.1 cm
Largest: 11.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ivel Navigation

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

Roach Gudgeon Dace Pike Chub Minnow

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 →