Stone loach · Barbatula barbatula

Stone loach in the River Dunstable

Largest measured stone loach: 9.9 cm

The largest stone loach measured in Environment Agency surveys of the River Dunstable was 9.9 cm, recorded at Dunstable Upstream STW on 25 May 2016.

Across 2 measured stone loach, the median measured length was 9.6 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 Dunstable.

See stone loach records across England →

Most recent observation25 May 2022Dunstable Upstream STW · 1 fish

Largest measured stone loach: 9.9 cm
Median length: 9.6 cm
Fish measured: 2
Survey locations: 3

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
9.9 cm	25 May 2016	Dunstable Upstream STW	148139
9.3 cm	25 May 2022	Dunstable Upstream STW	161367

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
Dunstable Upstream STW	25 May 2016	25 May 2022	2
Dunstable	21 Jun 1984	25 May 2004	5
Stanbury Cross	27 Sept 1996	27 Sept 1996	1

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

1984–2022

Survey records by year

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

184

085

086

087

088

089

090

091

092

193

094

195

296

097

098

099

000

001

002

003

104

005

006

007

008

009

010

011

012

013

014

015

116

017

018

019

020

021

122

Fish measured by surveyors

Measured length distribution

See how the 2 measured fish were spread across different length ranges.

Smallest: 9.3 cm
Lower quarter: 9.5 cm
Median: 9.6 cm
Upper quarter: 9.8 cm
Largest: 9.9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dunstable

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

Bullhead Brown / sea trout 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 →