Stone loach · Barbatula barbatula

Stone loach in the Eshton Beck

Largest measured stone loach: 12.5 cm

The largest stone loach measured in Environment Agency surveys of the Eshton Beck was 12.5 cm, recorded at d/s Flasby Beck on 23 August 2006.

Across 84 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 Eshton Beck.

See stone loach records across England →

Most recent observation5 June 2025d/s Flasby Beck

Largest measured stone loach: 12.5 cm
Median length: 8.8 cm
Fish measured: 84
Survey locations: 5

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
12.5 cm	23 Aug 2006	d/s Flasby Beck	121105
12.2 cm	23 Aug 2006	d/s Flasby Beck	121105
12 cm	23 Aug 2006	d/s Flasby Beck	121105
11.9 cm	23 Aug 2006	d/s Flasby Beck	121105
11.7 cm	23 Aug 2006	d/s Flasby Beck	121105
11.5 cm	23 Aug 2006	d/s Flasby Beck	121105
11.2 cm	23 Aug 2006	d/s Flasby Beck	121105
11 cm	23 Aug 2006	d/s Flasby Beck	121105
10.9 cm	23 Aug 2006	d/s Flasby Beck	121105
10.8 cm	23 Aug 2006	d/s Flasby Beck	121105

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
d/s Flasby Beck	23 Aug 2006	5 Jun 2025	4
St. Helen's Weir	13 Aug 2002	28 Aug 2014	2
d/s Eshton Bridge (A65 Road Bridge)	23 Aug 2006	29 Aug 2007	2
d/s Brockabank Bridge	23 Aug 2006	28 Aug 2007	2
Canal Feeder	15 Aug 2002	15 Aug 2002	1

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

2002–2025

Survey records by year

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

202

003

004

005

306

307

008

009

010

011

012

013

214

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 84 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 8 cm
Median: 8.8 cm
Upper quarter: 9.8 cm
Largest: 12.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eshton Beck

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

Brown / sea trout Bullhead Minnow 3-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 →