RiverFish

Brook lamprey · Lampetra planeri

Brook lamprey in the River Beane

Largest measured brook lamprey: 16 cm

The largest brook lamprey measured in Environment Agency surveys of the River Beane was 16 cm, recorded at Hartham Common Beane on 9 October 2003.

Across 9 measured brook lamprey, the median measured length was 14.5 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 Beane.

See brook lamprey records across England →

Most recent observation15 June 2023Hartham Common Beane
Largest measured brook lamprey
16 cm
Median length
14.5 cm
Fish measured
9
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
16 cm9 Oct 2003Hartham Common Beane77388
15.6 cm18 Oct 2021Waterford160891
15 cm22 Apr 2014Hartham Common Beane140667
15 cm22 Apr 2014Hartham Common Beane140667
14.5 cm22 Apr 2014Hartham Common Beane140667
14 cm22 Apr 2014Hartham Common Beane140667
13.8 cm18 Oct 2021Waterford160891
13 cm22 Apr 2014Hartham Common Beane140667
13 cm22 Apr 2014Hartham Common Beane140667

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
Hartham Common Beane2 Nov 199315 Jun 20234
Waterford18 Oct 202118 Oct 20211

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

1993–2023

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 9 measured fish were spread across different length ranges.

Smallest
13 cm
Lower quarter
13.8 cm
Median
14.5 cm
Upper quarter
15 cm
Largest
16 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Beane

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

Bullhead Perch Pike Minnow 3-spined stickleback Roach

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 →