Stone loach · Barbatula barbatula

Stone loach in the River Quaggy

Largest measured stone loach: 12.5 cm

The largest stone loach measured in Environment Agency surveys of the River Quaggy was 12.5 cm, recorded at Weigall Road on 27 April 2010.

Across 195 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 River Quaggy.

See stone loach records across England →

Most recent observation13 September 2023Manor Park · 152 fish

Largest measured stone loach: 12.5 cm
Median length: 8.9 cm
Fish measured: 195
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	27 Apr 2010	Weigall Road	125959
12.4 cm	27 Apr 2010	Weigall Road	125959
12.4 cm	19 Dec 2007	Weigall Road	108975
12.1 cm	27 Apr 2010	Weigall Road	125959
12 cm	19 Dec 2007	Manor House Gardens	108974
11.9 cm	19 Dec 2007	Weigall Road	108975
11.8 cm	19 Dec 2007	Hadlow College	108977
11.8 cm	19 Dec 2007	Weigall Road	108975
11.7 cm	19 Dec 2007	Weigall Road	108975
11.7 cm	19 Dec 2007	Weigall Road	108975

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
Manor Park	19 Dec 2007	13 Sept 2023	3
Hadlow College	19 Dec 2007	29 Oct 2013	2
Weigall Road	19 Dec 2007	27 Apr 2010	2
Manor House Gardens	19 Dec 2007	19 Dec 2007	1
Chinbrook Meadows Upper	19 Dec 2007	19 Dec 2007	1

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

2007–2023

Survey records by year

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

507

008

009

110

011

012

213

014

015

016

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 195 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 7.7 cm
Median: 8.9 cm
Upper quarter: 10.2 cm
Largest: 12.5 cm

0–99 mm

143

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Quaggy

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

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 →