Brook lamprey · Lampetra planeri

Brook lamprey in the River Churnet

Largest measured brook lamprey: 18.5 cm

The largest brook lamprey measured in Environment Agency surveys of the River Churnet was 18.5 cm, recorded at Basford Bridge - Cheddleton on 23 September 2014.

Across 12 measured brook lamprey, the median measured length was 16 cm.

Surveyors recorded weights for 9 brook lamprey. The median was 0.2 oz (0.0065 kg) and the largest recorded weight was 0.4 oz (0.011 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 Churnet.

See brook lamprey records across England →

Most recent observation23 September 2014Basford Bridge - Cheddleton · 9 fish

Largest measured brook lamprey: 18.5 cm
Median length: 16 cm
Fish measured: 12
Survey locations: 5

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.

Length	Survey date	Survey location	Survey ID
18.5 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
17.8 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
17 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
17 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
16.5 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
16.5 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
15.5 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
15 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
15 cm	23 Sept 2014	Basford Bridge - Cheddleton	142984
15 cm	29 Aug 2013	Eaton Dovedale Farm	139058

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 surveyed	First recorded	Last recorded	Visits finding brook lamprey
Basford Bridge - Cheddleton	23 Sept 2014	23 Sept 2014	1
Eaton Dovedale Farm	29 Aug 2013	29 Aug 2013	1
Abbey Green Farm	30 Aug 1989	9 Jan 2009	4
Rocester	29 Sept 1998	12 Jul 2005	2
Tittesworth Reservoir Downstream	22 Aug 1989	22 Aug 1989	1

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

1989–2014

Survey records by year

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

289

090

091

092

093

094

195

096

097

198

099

000

101

002

003

004

105

006

007

008

109

010

011

012

113

114

Fish measured by surveyors

Measured length distribution

See how the 12 measured fish were spread across different length ranges.

Smallest: 14.6 cm
Lower quarter: 15 cm
Median: 16 cm
Upper quarter: 17 cm
Largest: 18.5 cm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 9 brook lamprey. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.005 kg)
Lower quarter: 0.2 oz (0.0055 kg)
Median: 0.2 oz (0.0065 kg)
Upper quarter: 0.3 oz (0.008 kg)
Heaviest: 0.4 oz (0.011 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 Churnet

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

Brown / sea trout Bullhead Roach Gudgeon 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 →