RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Gunthorpe watercourse

Largest measured brown / sea trout: 27 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Gunthorpe watercourse was 27 cm, recorded at Briningham , Bayses Wood on 20 February 2003.

Across 54 measured brown / sea trout, the median measured length was 14.2 cm.

Surveyors recorded weights for 34 brown / sea trout. The median was 1.3 oz (0.0365 kg) and the largest recorded weight was 7 oz (0.1982 kg).

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

See brown / sea trout records across England →

Most recent observation3 March 2017Brinton , d/s Stody Road bridge · 2 fish
Largest measured brown / sea trout
27 cm
Median length
14.2 cm
Fish measured
54
Survey locations
10

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 cm20 Feb 2003Briningham , Bayses Wood99887
24.3 cm7 Feb 2003Brinton , Stewpond Plantation99883
23.9 cm21 Feb 2003Gunthorpe , Valley Farm99882
22.3 cm20 Feb 2003Briningham , Bayses Wood99887
22 cm19 Feb 2003Thornage Common99885
21.8 cm3 Mar 2017Brinton , d/s Stody Road bridge150311
21.4 cm7 Feb 2003Brinton , Stewpond Plantation99883
20.5 cm22 Dec 2011Brinton , d/s Stody Road bridge129898
19.6 cm22 Dec 2011Brinton , d/s Stody Road bridge129898
19.6 cm20 Feb 2003Briningham , Bayses Wood99887

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
Brinton , d/s Stody Road bridge20 Feb 20033 Mar 20173
Brinton, Old Hall10 Jan 201410 Jan 20141
Thornage Common19 Feb 200313 Dec 20132
North Meadow Covert13 Dec 201313 Dec 20131
Gunthorpe , Valley Farm21 Feb 200321 Feb 20031
Briningham , Lobbs Valley20 Feb 200320 Feb 20031
Briningham , Bayses Wood20 Feb 200320 Feb 20031
Gunthorpe , Bulfer Lane bend18 Feb 200318 Feb 20031
Bulfer Grove bridge17 Feb 200317 Feb 20031
Brinton , Stewpond Plantation7 Feb 20037 Feb 20031

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

2003–2017

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 54 measured fish were spread across different length ranges.

Smallest
5.9 cm
Lower quarter
10.6 cm
Median
14.2 cm
Upper quarter
18.2 cm
Largest
27 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 34 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.4 oz (0.0127 kg)
Median
1.3 oz (0.0365 kg)
Upper quarter
2.2 oz (0.0618 kg)
Heaviest
7 oz (0.1982 kg)

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

More fish in this river

Explore the River Gunthorpe watercourse

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

Bullhead 3-spined stickleback European eel

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 →