Sea lamprey · Petromyzon marinus

Sea lamprey in the River Teme

Largest measured sea lamprey: 63 cm

The largest sea lamprey measured in Environment Agency surveys of the River Teme was 63 cm, recorded at Berrington site 4 on 18 July 2014.

This is the only individual sea lamprey length in the dataset for this river.

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

See sea lamprey records across England →

Most recent observation18 July 2014Berrington site 4 · 1 fish

Largest measured sea lamprey: 63 cm
Length sample: 1 fish
Survey records: 4
Survey locations: 3

Individual EA measurements

Largest measured sea 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
63 cm	18 Jul 2014	Berrington site 4	141748

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

Explore the river

Where sea lamprey were found

Each point marks a survey location with at least one sea 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 sea lamprey
Berrington site 4	18 Jul 2014	18 Jul 2014	1
Ashford Carbonell	8 Jun 2004	19 Jun 2008	2
Crifton Ford Bridge	12 Sept 2006	12 Sept 2006	1

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

2004–2014

Survey records by year

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

104

005

106

007

108

009

010

011

012

013

114

Fish measured by surveyors

Recorded length

One individual length was recorded for this fish and river.

Recorded length: 63 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Teme

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

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

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 →