Stone loach · Barbatula barbatula

Stone loach in the Warslow Brook

Largest measured stone loach: 12.2 cm

The largest stone loach measured in Environment Agency surveys of the Warslow Brook was 12.2 cm, recorded at Stoneyfold Farm on 10 September 2013.

Across 26 measured stone loach, the median measured length was 10.9 cm.

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

See stone loach records across England →

Most recent observation11 September 2025Stoneyfold Farm

Largest measured stone loach: 12.2 cm
Median length: 10.9 cm
Fish measured: 26
Survey locations: 1

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
12.2 cm	10 Sept 2013	Stoneyfold Farm	139092
12.1 cm	10 Sept 2013	Stoneyfold Farm	139092
12 cm	10 Sept 2013	Stoneyfold Farm	139092
12 cm	10 Sept 2013	Stoneyfold Farm	139092
12 cm	16 Apr 2010	Stoneyfold Farm	121418
11.6 cm	10 Sept 2013	Stoneyfold Farm	139092
11.5 cm	10 Sept 2013	Stoneyfold Farm	139092
11.5 cm	16 Apr 2010	Stoneyfold Farm	121418
11.4 cm	10 Sept 2013	Stoneyfold Farm	139092
11.4 cm	10 Sept 2013	Stoneyfold Farm	139092

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
Stoneyfold Farm	5 Oct 2005	11 Sept 2025	5

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

2005–2025

Survey records by year

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

105

006

007

008

009

110

011

012

113

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

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

Smallest: 3.7 cm
Lower quarter: 5.2 cm
Median: 10.9 cm
Upper quarter: 11.5 cm
Largest: 12.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Warslow Brook

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

Brown / sea trout Bullhead

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 →