RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Main Lapford Yeo

Largest measured atlantic salmon: 11 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Main Lapford Yeo was 11 cm, recorded at Nymphayes (Sp) on 7 September 2012.

Across 7 measured atlantic salmon, the median measured length was 6.7 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 Main Lapford Yeo.

See atlantic salmon records across England →

Most recent observation1 August 2025Nymphayes (Sp) · 1 fish
Largest measured atlantic salmon
11 cm
Median length
6.7 cm
Fish measured
7
Survey locations
3

Individual EA measurements

Largest measured atlantic salmon

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

LengthSurvey dateSurvey locationSurvey ID
11 cm7 Sept 2012Nymphayes (Sp)133349
8.1 cm1 Aug 2025Nymphayes (Sp)178420
7.5 cm6 Aug 2018Nymphayes (Sp)153020
6.7 cm6 Aug 2018Nymphayes (Sp)153020
6.2 cm6 Aug 2018Nymphayes (Sp)153020
6.2 cm6 Aug 2018Nymphayes (Sp)153020
6.1 cm6 Aug 2018Nymphayes (Sp)153020

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

Explore the river

Where atlantic salmon were found

Each point marks a survey location with at least one atlantic salmon 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 atlantic salmon
Nymphayes (Sp)4 Jul 20051 Aug 20254
Bury Bridge (Sp)*8 Aug 19962 Aug 19992
Lapford (Sp)*7 Aug 19962 Jul 19992

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

1996–2025

Survey records by year

Each bar shows how many survey visits recorded atlantic salmon that year.

Fish measured by surveyors

Measured length distribution

See how the 7 measured fish were spread across different length ranges.

Smallest
6.1 cm
Lower quarter
6.2 cm
Median
6.7 cm
Upper quarter
7.8 cm
Largest
11 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Lapford Yeo

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

Bullhead Brown / sea trout Minnow Stone loach 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 →