RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Main River Avon Sites

Largest measured brown / sea trout: 45 cm

The largest brown / sea trout measured in Environment Agency surveys of the Main River Avon Sites was 45 cm, recorded at Avonwick Station (Te) on 30 August 2000.

Across 504 measured brown / sea trout, the median measured length was 8.4 cm.

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

See brown / sea trout records across England →

Most recent observation20 June 2024Avonwick Station (Te) · 17 fish
Largest measured brown / sea trout
45 cm
Median length
8.4 cm
Fish measured
504
Survey locations
11

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
45 cm30 Aug 2000Avonwick Station (Te)73937
38 cm11 Sept 2012Avonwick Station (Te)133439
32.5 cm13 Sept 2022Upstream Hatchbridge (Dip)161575
32.5 cm6 Jul 2015Avonwick Station (Te)145262
27 cm11 Sept 2012Avonwick Station (Te)133439
25.8 cm6 Jul 2015Avonwick Station (Te)145262
23 cm24 Jul 2013Upstream Knap Mill (Sp)137361
22.5 cm9 Aug 2022Upstream Knap Mill (Sp)161286
22.2 cm12 Jul 2013Avonwick Station (Te)137216
22 cm13 Sept 2022Upstream Hatchbridge (Dip)161575

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
Avonwick Station (Te)12 Aug 199720 Jun 202416
Bickham Bridge (Dip/5 min)20 Aug 19977 Sept 20236
Avonwick Station (5 min)7 Sept 20237 Sept 20231
Downstream South Brent STW (5 min)24 Aug 202324 Aug 20231
Backhill Copse (5min)24 Aug 202324 Aug 20231
Bow Copse (5 min)17 Aug 202317 Aug 20231
Upstream Hatchbridge (Dip)20 Aug 199713 Sept 20226
Upstream Knap Mill (Sp)22 Aug 20119 Aug 20223
Didworthy (Dip)*4 Sept 20064 Sept 20061
Woolholes Bridge (Sp)*14 Aug 199731 Aug 20063
Avon Dam Bridge (Sp)*14 Aug 199731 Aug 20063

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

1997–2024

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 504 measured fish were spread across different length ranges.

Smallest
4.7 cm
Lower quarter
7 cm
Median
8.4 cm
Upper quarter
14 cm
Largest
45 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Avon Sites

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

Atlantic salmon Bullhead Stone loach European eel Minnow Flounder

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 →