RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Culm

Largest measured brown / sea trout: 43.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Culm was 43.5 cm, recorded at Coldharbour Leat (CFTe)* on 8 October 2003.

Across 583 measured brown / sea trout, the median measured length was 18.4 cm.

Surveyors recorded weights for 66 brown / sea trout. The median was 4.1 oz (0.115 kg) and the largest recorded weight was 2 lb 2.3 oz (0.972 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 Main Culm.

See brown / sea trout records across England →

Most recent observation22 May 2026Glasshouses · 12 fish
Largest measured brown / sea trout
43.5 cm
Median length
18.4 cm
Fish measured
583
Survey locations
20

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
43.5 cm8 Oct 2003Coldharbour Leat (CFTe)*77761
35 cm24 Sept 2003Lower Kingsmill (CFTe)*77744
34.6 cm24 Sept 2003Lower Kingsmill (CFTe)*77744
33.5 cm11 Oct 2002Lower Kingsmill (CFTe)*72835
32.8 cm18 Jun 2019Uffculme (Sp)154621
31.6 cm8 Aug 2019200m Downstream Culmstock Bridge (Sp /Dip)155375
31.6 cm24 Sept 2003Lower Kingsmill (CFTe)*77744
31.5 cm6 Jun 2019Palmers Farm (Sp/WFD)154559
31.5 cm17 Jun 2008Uffculme (Sp)111771
31.4 cm17 Jun 2008Uffculme (Sp)111771

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
Glasshouses29 Apr 201922 May 20262
Palmers Farm (Sp/WFD)30 May 199729 May 20257
Whitehall Bridge (Sp)4 Jul 20138 Aug 20192
200m Downstream Culmstock Bridge (Sp /Dip)25 Jun 20138 Aug 20192
Uffculme (Sp)9 Jun 199718 Jun 20195
Lears Farm (Sp)30 May 199729 May 20195
Venn Farm (Sp)*9 Jun 19971 Jul 20134
Coldharbour Leat (CFTe)*8 Oct 20038 Sept 20096
Langlands Horseshoe (Dip)*8 Oct 20031 Oct 20086
Langlands D/s ford (Dip)*11 Oct 20031 Oct 20086
Downstream Culmstock Br. (Dip)*16 Sept 200816 Sept 20081
Hemyock (Sp)*6 Jun 199722 May 20082
Footbridge in Uffculm (Dip)*9 Sept 20059 Sept 20051
Lower Kingsmill (CFTe)*10 Jun 199724 Sept 20033
Columbjohn (CFTe/wfdi)*18 Jun 199717 Oct 20012
Skinners Farm (Sp)*9 Jun 199721 Jun 20002
Bagbear Farm (Sp)*30 May 199719 Jun 20002
Stoke Canon (CFTe)*17 Jun 199717 Jun 19971
Southey Barton (Sp)*6 Jun 19976 Jun 19971
Culmstock (Sp)*6 Jun 19976 Jun 19971

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

1997–2026

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 583 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
8.3 cm
Median
18.4 cm
Upper quarter
22 cm
Largest
43.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 66 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.3 oz (0.008 kg)
Lower quarter
2.5 oz (0.0722 kg)
Median
4.1 oz (0.115 kg)
Upper quarter
7.9 oz (0.2252 kg)
Heaviest
2 lb 2.3 oz (0.972 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 Main Culm

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

Stone loach Bullhead Minnow European eel Atlantic salmon 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 →