RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Main Ottery

Largest measured atlantic salmon: 16.2 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Main Ottery was 16.2 cm, recorded at Yeolmbridge Green on 2 October 2023.

Across 2,400 measured atlantic salmon, the median measured length was 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 Main Ottery.

See atlantic salmon records across England →

Most recent observation8 July 2026Penrose · 15 fish
Largest measured atlantic salmon
16.2 cm
Median length
6 cm
Fish measured
2,400
Survey locations
17

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
16.2 cm2 Oct 2023Yeolmbridge Green164030
15.5 cm2 Oct 2023Yeolmbridge Green164030
15.3 cm1 Sept 2009Penheale118716
15 cm2 Oct 2023Yeolmbridge Green164030
14.7 cm2 Sept 2004Penheale82234
14.5 cm2 Oct 2023Yeolmbridge Green164030
14.2 cm1 Sept 2009Penheale118716
14 cm21 Aug 2002Penheale72765
13.9 cm20 Aug 2013Yeolm Bridge138043
13.9 cm30 Aug 2007Penheale106527

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
Penrose31 Jul 19848 Jul 202614
Downstream Trengune Br19 Jul 200728 Jul 202514
Yeolmbridge Green2 Oct 20232 Oct 20231
High Wires1 Aug 198416 Aug 20238
Upstream Hellescott11 Aug 202311 Aug 20231
Trengune Dip30 Jun 202330 Jun 20231
Otterham Mill26 Jul 198424 May 20229
Yeolm Bridge30 Jul 198413 Oct 20219
Hellescott3 Aug 198420 Jul 20217
Downstream Yeolm Bridge10 Sept 201510 Sept 20151
Penheale31 Jul 198430 Jun 201113
Trengune2 Aug 198417 Jul 20069
Werrington Park30 Jul 19841 Jul 20033
Canworthy Water2 Aug 198417 Sept 20014
Braywood Farm1 Aug 198430 Aug 19963
Trevillian24 Jul 198424 Jul 19963
u/s Trengune Bridge11 Aug 199311 Aug 19931

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

1984–2026

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 2,400 measured fish were spread across different length ranges.

Smallest
3.1 cm
Lower quarter
5.3 cm
Median
6 cm
Upper quarter
7.9 cm
Largest
16.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Ottery

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

Brown / sea trout Bullhead Stone loach Minnow European eel Brook lamprey

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 →