RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Swincombe River

Largest measured brown / sea trout: 27.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Swincombe River was 27.8 cm, recorded at Wydemeet (Sp) on 22 July 2014.

Across 303 measured brown / sea trout, the median measured length was 7.6 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 brown / sea trout records across England →

Most recent observation11 July 2024Wydemeet (Sp) · 19 fish
Largest measured brown / sea trout
27.8 cm
Median length
7.6 cm
Fish measured
303
Survey locations
8

Individual EA measurements

Largest measured brown / sea trout

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

LengthSurvey dateSurvey locationSurvey ID
27.8 cm22 Jul 2014Wydemeet (Sp)142087
22.4 cm22 Jul 2014Wydemeet (Sp)142087
21.5 cm2 Aug 2010Wydemeet (Sp)123162
20.8 cm29 Aug 2007Wydemeet (Sp)107856
20.4 cm22 Jul 2014Wydemeet (Sp)142087
20.2 cm4 Oct 2023Upstream Swincombe Dam (5 min)163572
20.1 cm15 Aug 2008Downstream Childes Tomb (SAC)*112945
20 cm4 Oct 2023Upstream Swincombe Dam (5 min)163572
19.8 cm29 Aug 2007Wydemeet (Sp)107856
19.3 cm22 Jul 2014Wydemeet (Sp)142087

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

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 brown / sea trout
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 brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 303 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
6.3 cm
Median
7.6 cm
Upper quarter
11.6 cm
Largest
27.8 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.

Atlantic salmon 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 →