RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Ampney Brook

Largest measured brown / sea trout: 45 cm

The largest brown / sea trout measured in Environment Agency surveys of the Ampney Brook was 45 cm, recorded at Ampney Brook - Ampney Crucis on 19 October 2004.

Across 447 measured brown / sea trout, the median measured length was 17 cm.

Surveyors recorded weights for 75 brown / sea trout. The median was 1.7 oz (0.048 kg) and the largest recorded weight was 1 lb 9.3 oz (0.716 kg).

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

See brown / sea trout records across England →

Most recent observation19 September 2013Ampney Brook - Ampney St Peter · 66 fish
Largest measured brown / sea trout
45 cm
Median length
17 cm
Fish measured
447
Survey locations
3

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 cm19 Oct 2004Ampney Brook - Ampney Crucis83124
42.5 cm21 May 2002Ampney Brook - Ampney Crucis73262
41.4 cm16 Oct 2002Ampney Brook - Down Ampney73267
40.3 cm19 Sept 2013Ampney Brook - Down Ampney138941
40.2 cm16 Oct 2002Ampney Brook - Ampney Crucis73263
39.7 cm16 Oct 2002Ampney Brook - Ampney Crucis73263
39.5 cm29 Apr 2003Ampney Brook - Ampney Crucis78520
39.4 cm16 Oct 2002Ampney Brook - Down Ampney73267
39.1 cm16 Oct 2002Ampney Brook - Ampney Crucis73263
39 cm1 May 2003Ampney Brook - Down Ampney78526

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
Ampney Brook - Down Ampney21 May 200219 Sept 20134
Ampney Brook - Ampney St Peter2 May 200219 Sept 20138
Ampney Brook - Ampney Crucis21 May 200214 Oct 20055

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

2002–2013

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 447 measured fish were spread across different length ranges.

Smallest
6.7 cm
Lower quarter
11.5 cm
Median
17 cm
Upper quarter
25.4 cm
Largest
45 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 75 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.007 kg)
Lower quarter
0.7 oz (0.0205 kg)
Median
1.7 oz (0.048 kg)
Upper quarter
8.8 oz (0.2505 kg)
Heaviest
1 lb 9.3 oz (0.716 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Ampney Brook

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

Pike

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 →