RiverFish

Brook lamprey · Lampetra planeri

Brook lamprey in the River Lugg

Largest measured brook lamprey: 14.5 cm

The largest brook lamprey measured in Environment Agency surveys of the River Lugg was 14.5 cm, recorded at Mortimers Cross on 23 July 2019.

Across 9 measured brook lamprey, the median measured length was 10.5 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 Lugg.

See brook lamprey records across England →

Most recent observation24 July 2019Leominster Market · 2 fish
Largest measured brook lamprey
14.5 cm
Median length
10.5 cm
Fish measured
9
Survey locations
4

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
14.5 cm23 Jul 2019Mortimers Cross154972
13.5 cm23 Jul 2019Mortimers Cross154972
12.3 cm21 Sept 2011Leominster Market128183
12 cm20 Sept 2017Upstream Ballsgate Weir151707
10.5 cm24 Jul 2019Leominster Market154981
10 cm14 Oct 2010Ford Bridge125213
9 cm24 Jul 2019Leominster Market154981
2.5 cm14 Oct 2010Ford Bridge125213
2 cm14 Oct 2010Ford Bridge125213

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
Leominster Market21 Aug 200624 Jul 20193
Mortimers Cross23 Jul 201923 Jul 20191
Upstream Ballsgate Weir20 Sept 201720 Sept 20171
Ford Bridge14 Oct 201014 Oct 20101

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

2006–2019

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
2 cm
Lower quarter
9 cm
Median
10.5 cm
Upper quarter
12.3 cm
Largest
14.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lugg

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

Minnow Bullhead Brown / sea trout Atlantic salmon Stone loach European eel

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 →