Brook lamprey · Lampetra planeri

Brook lamprey in the River Bure (central)

Largest measured brook lamprey: 14.1 cm

The largest brook lamprey measured in Environment Agency surveys of the River Bure (central) was 14.1 cm, recorded at Downstream Aylsham Bypass on 6 July 2022.

Across 6 measured brook lamprey, the median measured length was 13.6 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 Bure (central).

See brook lamprey records across England →

Most recent observation26 July 2022Downstream Buxton Mill · 1 fish

Largest measured brook lamprey: 14.1 cm
Median length: 13.6 cm
Fish measured: 6
Survey locations: 6

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
14.1 cm	6 Jul 2022	Downstream Aylsham Bypass	161859
13.8 cm	11 Jul 2016	Downstream Buxton Mill	148926
13.7 cm	21 May 2019	Downstream Plantation Bridge	154658
13.5 cm	28 Jun 2013	Downstream Aylsham Bypass	136995
13 cm	26 Jul 2022	Downstream Buxton Mill	161877
13 cm	29 Jun 2022	Downstream Plantation Bridge	161858

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
Downstream Buxton Mill	11 Jul 2016	26 Jul 2022	2
Downstream Aylsham Bypass	20 Jun 2003	6 Jul 2022	4
Downstream Plantation Bridge	18 Mar 1993	29 Jun 2022	3
Burgh Hall Farm	3 Jun 1998	3 Jun 1998	1
Upstream Buxton Mill	19 Mar 1993	19 Mar 1993	1
Downstream Burgh Hall Lock	9 Mar 1993	9 Mar 1993	1

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

1993–2022

Survey records by year

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

393

094

095

096

097

198

099

000

001

002

103

104

005

006

007

008

009

010

011

012

113

014

015

116

017

018

119

020

021

322

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 13 cm
Lower quarter: 13.1 cm
Median: 13.6 cm
Upper quarter: 13.8 cm
Largest: 14.1 cm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bure (central)

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

Pike European eel Roach Dace Gudgeon Stone loach

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 →