RiverFish

Brook lamprey · Lampetra planeri

Brook lamprey in the River Tees

Largest measured brook lamprey: 19.6 cm

The largest brook lamprey measured in Environment Agency surveys of the River Tees was 19.6 cm, recorded at SAP/BT Quin, River Leven, Angrove West Farm on 7 June 2011.

Across 170 measured brook lamprey, the median measured length was 13.5 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 Tees.

See brook lamprey records across England →

Most recent observation17 October 2023Temporal Coarse, Low Moor · 3 fish
Largest measured brook lamprey
19.6 cm
Median length
13.5 cm
Fish measured
170
Survey locations
20

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
19.6 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268
19.6 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268
18.8 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268
17.7 cm9 Jun 2011SAP/BT Quin, River Leven, Potto Beck, Sexhow127262
17.7 cm7 Jun 2011SAP/BT Quin, River Leven, Broughton Bridge Beck127264
17.2 cm9 Jun 2011SAP/BT Quin, River Leven, Potto Beck, Sexhow127262
17.2 cm9 Jun 2011SAP/BT Quin, River Leven, Potto Beck, Sexhow127262
17.2 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268
17.2 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268
17.2 cm7 Jun 2011SAP/BT Quin, River Leven, Angrove West Farm127268

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
Temporal Coarse, Low Moor18 Sept 200217 Oct 20232
SAP/BT Quin, River Leven, Crathorne26 Jun 202326 Jun 20231
SAP/BT Quin, River Leven, Bense Bridge26 Jun 202326 Jun 20231
SAP/BT Quin, River Leven, Potto Beck, Sexhow9 Jun 201123 Jun 20232
SAP/BT Quin, River Leven, Hutton Rudby23 Jun 202323 Jun 20231
SAP/BT Quin, River Leven, Angrove West Farm7 Jun 201123 Jun 20232
SAP/BT Quin, River Leven, Little Ayton7 Jun 201122 Jun 20232
SAP/BT Quin, River Leven, Easby7 Jun 201122 Jun 20232
SAP/BT Quin, River Leven, Broughton Bridge Beck7 Jun 201122 Jun 20232
SAP/BT Quin, Clow Beck, Aldbrough St John29 Jun 201029 Jun 20101
SAP/BT Quin, Sudburn Beck, Bow Bridge28 Jun 201028 Jun 20101
SAP/BT Annual, Egglestone Abbey16 Oct 200616 Oct 20061
SAP/BT Annual, Broken Scar21 Aug 200216 Aug 20062
Temporal Coarse, Swine Lairs u/s ford21 Aug 20025 Oct 20052
SAP/BT Annual, Clow Beck - Monk End Farm25 Sept 200218 Aug 20052
Temporal Coarse, Low Haile Bridge19 Sept 200219 Sept 20021
Spatial Coarse, Blackwell Pumping Station19 Sept 200219 Sept 20021
Temporal Coarse, Broken Scar21 Aug 200221 Aug 20021
Temporal Coarse, Clow Beck - Monk End Farm19 Aug 200219 Aug 20021
Temporal Coarse, High Coniscliffe13 Sept 200113 Sept 20011

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

2001–2023

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 170 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
11.8 cm
Median
13.5 cm
Upper quarter
14.8 cm
Largest
19.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tees

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

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

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 →