RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the Swincombe River

Largest measured atlantic salmon: 14.7 cm

The largest atlantic salmon measured in Environment Agency surveys of the Swincombe River was 14.7 cm, recorded at Cattle Drink (5 min) on 28 September 2023.

Across 535 measured atlantic salmon, the median measured length was 6.6 cm.

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

See atlantic salmon records across England →

Most recent observation11 July 2024Wydemeet (Sp) · 25 fish
Largest measured atlantic salmon
14.7 cm
Median length
6.6 cm
Fish measured
535
Survey locations
8

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
14.7 cm28 Sept 2023Cattle Drink (5 min)163571
13.2 cm29 Aug 2007Wydemeet (Sp)107856
13.1 cm22 Jul 2014Wydemeet (Sp)142087
12.9 cm11 Jul 2024Wydemeet (Sp)165675
12.9 cm16 Aug 2021Wydemeet (Sp)160638
12.8 cm11 Jul 2024Wydemeet (Sp)165675
12.5 cm11 Jul 2024Wydemeet (Sp)165675
12.4 cm29 Aug 2007Wydemeet (Sp)107856
12.4 cm29 Aug 2007Wydemeet (Sp)107856
12.4 cm29 Aug 2007Wydemeet (Sp)107856

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
Wydemeet (Sp)27 Jun 199611 Jul 20249
Upstream Swincombe Dam (5 min)4 Oct 20234 Oct 20231
Cattle Drink (5 min)4 Aug 200528 Sept 20232
Fox Tor Mire (SAC)*15 Aug 200815 Aug 20081
Downstream Childes Tomb (SAC)*17 Aug 200515 Aug 20082
Upstream Confluence (Dip)*17 Aug 200517 Aug 20051
Upstream Island (Sp)*4 Aug 20054 Aug 20051
Upstream Intake Dam (Te)*2 Aug 20052 Aug 20051

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

1996–2024

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 535 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
5.6 cm
Median
6.6 cm
Upper quarter
9.9 cm
Largest
14.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Swincombe River

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

Brown / sea trout European eel Minnow

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 →