Brook lamprey · Lampetra planeri

Brook lamprey in the Bere Stream

Largest measured brook lamprey: 17.4 cm

The largest brook lamprey measured in Environment Agency surveys of the Bere Stream was 17.4 cm, recorded at Lower Stockley Farm on 3 September 2008.

Across 49 measured brook lamprey, the median measured length was 11 cm.

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

See brook lamprey records across England →

Most recent observation12 August 2021Lower Stockley Farm
Largest measured brook lamprey
17.4 cm
Median length
11 cm
Fish measured
49
Survey locations
2

Individual EA measurements

Largest measured brook lamprey

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
17.4 cm3 Sept 2008Lower Stockley Farm113855
15.5 cm3 Sept 2008Lower Stockley Farm113855
15.4 cm3 Sept 2008Lower Stockley Farm113855
15.2 cm25 Aug 2011Lower Stockley Farm127560
15 cm25 Aug 2011Lower Stockley Farm127560
13.8 cm12 Aug 2009Lower Stockley Farm118781
13.5 cm12 Aug 2009Lower Stockley Farm118781
13.5 cm3 Sept 2008Lower Stockley Farm113855
13.5 cm3 Sept 2008Lower Stockley Farm113855
13 cm25 Aug 2011Lower Stockley Farm127560

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brook lamprey were found

Each point marks a survey location with at least one brook lamprey 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 brook lamprey
Lower Stockley Farm25 Oct 200212 Aug 20218
Philliols Farm21 Sept 200621 Sept 20061

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

2002–2021

Survey records by year

Each bar shows how many survey visits recorded brook lamprey that year.

Fish measured by surveyors

Measured length distribution

See how the 49 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
9.4 cm
Median
11 cm
Upper quarter
12.6 cm
Largest
17.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bere Stream

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

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 →