RiverFish

Brook lamprey · Lampetra planeri

Brook lamprey in the River Dove

Largest measured brook lamprey: 17.5 cm

The largest brook lamprey measured in Environment Agency surveys of the River Dove was 17.5 cm, recorded at Oakover Estate on 14 May 2008.

Across 105 measured brook lamprey, the median measured length was 12 cm.

Surveyors recorded weights for 2 brook lamprey. The median was 0.3 oz (0.0075 kg) and the largest recorded weight was 0.3 oz (0.009 kg).

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

See brook lamprey records across England →

Most recent observation4 September 2023Downstream Dovedale · 7 fish
Largest measured brook lamprey
17.5 cm
Median length
12 cm
Fish measured
105
Survey locations
17

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
17.5 cm14 May 2008Oakover Estate111136
16.3 cm7 Apr 2010Ludwell Farm123154
16.3 cm19 Sept 2007Tutbury107013
16.2 cm8 Aug 2013Crowdecote138029
16 cm8 Aug 2013Crowdecote138029
16 cm18 Oct 2011Downstream Dovedale128587
16 cm7 Apr 2010Ludwell Farm123154
16 cm7 Apr 2010Ludwell Farm123154
15.8 cm8 Aug 2013Crowdecote138029
15.5 cm4 Sept 2023Downstream Dovedale164332

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
Downstream Dovedale18 Oct 20114 Sept 20232
Ludwell Farm17 Apr 20028 Aug 20134
Crowdecote4 Jun 20038 Aug 20135
Hollinsclough16 Aug 20061 Aug 20132
Clay Mills11 Jun 201311 Jun 20131
Reynard's Cave, Dovedale14 Oct 199728 Apr 20105
Wolfescote Dale23 Apr 20037 Apr 20102
Oakover Estate14 May 200814 May 20081
Tutbury19 Sept 200719 Sept 20071
Milldale16 Aug 200616 Aug 20061
Downstream Hartington Creamery18 Apr 20028 Feb 20053
Glutton Bridge17 Jun 199818 Jun 20032
Upstream Hartington Creamery18 Apr 200229 May 20032
Beresford Dale24 Apr 200324 Apr 20031
Downstream Hartington Road Bridge17 Apr 200216 Apr 20032
Eaton Dovedale20 Apr 199420 Apr 19941
Doveridge19 Apr 199419 Apr 19941

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

1994–2023

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 105 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
11 cm
Median
12 cm
Upper quarter
14.1 cm
Largest
17.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 brook lamprey. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.006 kg)
Lower quarter
0.2 oz (0.0068 kg)
Median
0.3 oz (0.0075 kg)
Upper quarter
0.3 oz (0.0082 kg)
Heaviest
0.3 oz (0.009 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Dove

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

Bullhead Brown / sea trout Grayling Stone loach Minnow Chub

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 →