Stone loach · Barbatula barbatula

Stone loach in the Woolleigh Brook

Largest measured stone loach: 10.6 cm

The largest stone loach measured in Environment Agency surveys of the Woolleigh Brook was 10.6 cm, recorded at Deershill Bridge (Sp/WFD) on 23 August 2017.

Across 32 measured stone loach, the median measured length was 8.9 cm.

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

See stone loach records across England →

Most recent observation29 August 2024Deershill Bridge (Sp/WFD) · 15 fish

Largest measured stone loach: 10.6 cm
Median length: 8.9 cm
Fish measured: 32
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
10.6 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
10.2 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
10.1 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
10 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.9 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.8 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.7 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.2 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.2 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412
9.2 cm	23 Aug 2017	Deershill Bridge (Sp/WFD)	151412

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
Deershill Bridge (Sp/WFD)	20 Sept 2002	29 Aug 2024	6

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

2002–2024

Survey records by year

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

102

003

004

005

006

107

008

009

110

111

012

013

014

015

016

117

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 32 measured fish were spread across different length ranges.

Smallest: 6.1 cm
Lower quarter: 8.2 cm
Median: 9 cm
Upper quarter: 9.2 cm
Largest: 10.6 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Woolleigh Brook

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

Atlantic salmon Brown / sea trout Bullhead Minnow European eel

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 →