RiverFish

River lamprey · Lampetra fluviatilis

River lamprey in the River Pont

Largest measured river lamprey: 22.5 cm

The largest river lamprey measured in Environment Agency surveys of the River Pont was 22.5 cm, recorded at River Pont at Ponteland Park 1 on 26 July 2012.

Across 31 measured river lamprey, the median measured length was 15 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 Pont.

See river lamprey records across England →

Most recent observation26 July 2013River Pont at Kirkly Mill Bridge · 11 fish
Largest measured river lamprey
22.5 cm
Median length
15 cm
Fish measured
31
Survey locations
6

Individual EA measurements

Largest measured river lamprey

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
22.5 cm26 Jul 2012River Pont at Ponteland Park 1132460
19 cm24 Jul 2013River Pont at Stamfordham137366
17.5 cm30 Jul 2012River Pont at Stamfordham132566
17 cm26 Jul 2013River Pont at Kirkly Mill Bridge137459
17 cm24 Jul 2013River Pont at Stamfordham137366
17 cm24 Jul 2013River Pont at Stamfordham137366
16.5 cm26 Jul 2012River Pont at Eachwick132458
16 cm26 Jul 2013River Pont at Kirkly Mill Bridge137459
16 cm26 Jul 2013River Pont at Kirkly Mill Bridge137459
16 cm24 Jul 2013River Pont at Stamfordham137366

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where river lamprey were found

Each point marks a survey location with at least one river 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 river lamprey
River Pont at Kirkly Mill Bridge26 Jul 201326 Jul 20131
River Pont at Stamfordham29 Jul 200924 Jul 20133
Coldcoats Burn1 Aug 20121 Aug 20121
River Pont at Ponteland Park 126 Jul 201226 Jul 20121
River Pont at Eachwick26 Jul 201226 Jul 20121
Ponteland Park26 Jul 201226 Jul 20121

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

2009–2013

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 31 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
13.8 cm
Median
15 cm
Upper quarter
16 cm
Largest
22.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Pont

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

Brown / sea trout Stone loach 3-spined stickleback Minnow European eel Bullhead

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 →