Stone loach · Barbatula barbatula

Stone loach in the South Forty Foot Tributary Sites

Largest measured stone loach: 11.5 cm

The largest stone loach measured in Environment Agency surveys of the South Forty Foot Tributary Sites was 11.5 cm, recorded at Osbournby on 13 December 1994.

Across 145 measured stone loach, the median measured length was 7.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the South Forty Foot Tributary Sites.

See stone loach records across England →

Most recent observation21 December 1994Haconby · 4 fish

Largest measured stone loach: 11.5 cm
Median length: 7.4 cm
Fish measured: 145
Survey locations: 16

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
11.5 cm	13 Dec 1994	Osbournby	69901
10.6 cm	13 Dec 1994	Northbeck	69898
10.5 cm	15 Dec 1994	Morton	69916
10.4 cm	21 Dec 1994	Dunsby	69915
10.3 cm	13 Dec 1994	Mareham Lane No1	69897
10.2 cm	15 Dec 1994	Morton	69916
10.2 cm	15 Dec 1994	Beacon Hill	69910
10.1 cm	21 Dec 1994	Horbling	69909
10.1 cm	13 Dec 1994	Bellhouse Farm	69889
10 cm	21 Dec 1994	Horbling	69909

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
Horbling	21 Dec 1994	21 Dec 1994	1
Haconby	21 Dec 1994	21 Dec 1994	1
Dunsby	21 Dec 1994	21 Dec 1994	1
Billingborough	21 Dec 1994	21 Dec 1994	1
Walcot	15 Dec 1994	15 Dec 1994	1
Morton	15 Dec 1994	15 Dec 1994	1
Folkingham	15 Dec 1994	15 Dec 1994	1
Beacon Hill	15 Dec 1994	15 Dec 1994	1
Washdyke	13 Dec 1994	13 Dec 1994	1
Silk Willoughby No2	13 Dec 1994	13 Dec 1994	1
Osbournby	13 Dec 1994	13 Dec 1994	1
Northbeck	13 Dec 1994	13 Dec 1994	1
Mareham Lane No3	13 Dec 1994	13 Dec 1994	1
Mareham Lane No2	13 Dec 1994	13 Dec 1994	1
Mareham Lane No1	13 Dec 1994	13 Dec 1994	1
Bellhouse Farm	13 Dec 1994	13 Dec 1994	1

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

1994–1994

Survey records by year

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

1694

Fish measured by surveyors

Measured length distribution

See how the 145 measured fish were spread across different length ranges.

Smallest: 3.6 cm
Lower quarter: 5.6 cm
Median: 7.4 cm
Upper quarter: 9.1 cm
Largest: 11.5 cm

0–99 mm

131

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the South Forty Foot Tributary Sites

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

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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 →