RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Market Rasen Reach

Largest measured stone loach: 11.9 cm

The largest stone loach measured in Environment Agency surveys of the River Market Rasen Reach was 11.9 cm, recorded at R. Rase at Middle Rasen on 4 October 2007.

Across 979 measured stone loach, the median measured length was 7.2 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 Market Rasen Reach.

See stone loach records across England →

Most recent observation28 May 2024R. Rase at Middle Rasen
Largest measured stone loach
11.9 cm
Median length
7.2 cm
Fish measured
979
Survey locations
6

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.

LengthSurvey dateSurvey locationSurvey ID
11.9 cm4 Oct 2007R. Rase at Middle Rasen107217
11.9 cm4 Oct 2007R. Rase at Middle Rasen107217
11.8 cm4 Oct 2007R. Rase at Middle Rasen107217
11.7 cm9 Mar 1993Pilford Bridge57597
11.4 cm19 May 2011Market Rasen126957
11.4 cm4 Oct 2007R. Rase at Middle Rasen107217
11.4 cm4 Oct 2007R. Rase at Middle Rasen107217
11.4 cm4 Apr 1996R. Rase at Middle Rasen57564
11.4 cm4 Apr 1996R. Rase at Middle Rasen57564
11.3 cm4 Apr 1996R. Rase at Middle Rasen57564

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 surveyedFirst recordedLast recordedVisits finding stone loach
R. Rase at Middle Rasen7 Jul 198928 May 202410
Market Rasen4 Apr 199618 Apr 20184
West Rasen20 Aug 198620 Apr 20156
Pilford Bridge22 Aug 198620 Apr 20156
Bishops Bridge (Rase)8 Mar 199316 Jul 20074
Upstream Bishops Bridge21 Nov 198912 Mar 19932

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

1986–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 979 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
6 cm
Median
7.2 cm
Upper quarter
8.7 cm
Largest
11.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Market Rasen Reach

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

3-spined stickleback Dace Gudgeon European eel Pike Perch

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 →