RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Chalgrove Brook

Largest measured brown / sea trout: 26.2 cm

The largest brown / sea trout measured in Environment Agency surveys of the Chalgrove Brook was 26.2 cm, recorded at Stadhampton Mill on 2 October 2025.

Across 87 measured brown / sea trout, the median measured length was 10.7 cm.

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

See brown / sea trout records across England →

Most recent observation29 October 2025DS Cuxham · 13 fish
Largest measured brown / sea trout
26.2 cm
Median length
10.7 cm
Fish measured
87
Survey locations
9

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
26.2 cm2 Oct 2025Stadhampton Mill179131
24.1 cm2 Oct 2025Stadhampton Mill179131
23.1 cm8 Jul 2016School Lane148469
20.3 cm2 Oct 2025Stadhampton Mill179131
20.3 cm8 Jun 2011School Lane126564
20 cm2 Oct 2019Berrick road159845
19.6 cm2 Oct 2019Downstream Bridge at Stadhampton159847
19.3 cm2 Oct 2019Upstream Weir at Stadhampton159846
19.3 cm8 Jun 2011School Lane126564
19 cm2 Oct 2019Berrick road159845

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
South of Oxford Way29 Oct 202529 Oct 20251
DS Cuxham29 Oct 202529 Oct 20251
Stadhampton Mill2 Oct 20252 Oct 20251
School Lane8 Jun 20112 Oct 20253
Chalgrove Rec. Ground30 Sept 202530 Sept 20251
Upstream Weir at Stadhampton2 Oct 20192 Oct 20191
Downstream Bridge at Stadhampton2 Oct 20192 Oct 20191
Chiselhampton2 Oct 20192 Oct 20191
Berrick road2 Oct 20192 Oct 20191

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

2011–2025

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 87 measured fish were spread across different length ranges.

Smallest
6.7 cm
Lower quarter
8.9 cm
Median
10.7 cm
Upper quarter
13.6 cm
Largest
26.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Chalgrove Brook

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

Gudgeon Dace Chub

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 →