Stone loach · Barbatula barbatula

Stone loach in the Blackwater River

Largest measured stone loach: 11.1 cm

The largest stone loach measured in Environment Agency surveys of the Blackwater River was 11.1 cm, recorded at Buddlewall (Sp) on 22 June 2021.

Across 21 measured stone loach, the median measured length was 7 cm.

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

See stone loach records across England →

Most recent observation22 June 2021Beerhall Farm (Sp) · 1 fish

Largest measured stone loach: 11.1 cm
Median length: 7 cm
Fish measured: 21
Survey locations: 2

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
11.1 cm	22 Jun 2021	Buddlewall (Sp)	159893
10.6 cm	22 Jun 2021	Buddlewall (Sp)	159893
10.5 cm	1 Jul 2016	Beerhall Farm (Sp)	148406
10.5 cm	29 Jun 2016	Buddlewall (Sp)	148331
10.3 cm	29 Jun 2016	Buddlewall (Sp)	148331
10.2 cm	1 Jul 2016	Beerhall Farm (Sp)	148406
10.2 cm	29 Jun 2016	Buddlewall (Sp)	148331
9.5 cm	22 Jun 2021	Beerhall Farm (Sp)	159895
9.2 cm	22 Jun 2021	Buddlewall (Sp)	159893
8.8 cm	22 Jun 2021	Buddlewall (Sp)	159893

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
Buddlewall (Sp)	24 Jul 1997	22 Jun 2021	7
Beerhall Farm (Sp)	24 Jul 1997	22 Jun 2021	6

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

1997–2021

Survey records by year

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

297

098

099

200

001

002

003

204

105

006

007

008

009

210

011

012

013

014

015

216

017

018

019

020

221

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 6.4 cm
Median: 7 cm
Upper quarter: 10.2 cm
Largest: 11.1 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Blackwater River

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

Brown / sea trout Bullhead European eel Minnow

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 →