RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Medlock

Largest measured brown / sea trout: 43.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Medlock was 43.5 cm, recorded at Mdme05 on 9 October 2018.

Across 167 measured brown / sea trout, the median measured length was 16.8 cm.

Surveyors recorded weights for 5 brown / sea trout. The median was 1 lb 0 oz (0.454 kg) and the largest recorded weight was 1 lb 8.2 oz (0.687 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 Medlock.

See brown / sea trout records across England →

Most recent observation1 June 2023Mdme31 · 12 fish
Largest measured brown / sea trout
43.5 cm
Median length
16.8 cm
Fish measured
167
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
43.5 cm9 Oct 2018Mdme05153635
41.5 cm31 May 2023Mdme26162395
41.3 cm24 Jun 2002Mdme1560642
40.2 cm18 Apr 2013Mdme28151604
38.9 cm30 May 2023Mdme15162394
38.5 cm30 May 2023Mdme15162394
38 cm9 Oct 2018Mdme05153635
37.2 cm25 Apr 2006Mdme2090741
37.2 cm25 Apr 2006Mdme2090741
35.9 cm18 Apr 2013Mdme28151604

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
Mdme311 Jun 20231 Jun 20231
Mdme2631 May 202331 May 20231
Mdme159 Jul 200130 May 20233
Mdme0516 Jun 20039 Oct 20187
Mdme0327 Oct 201427 Oct 20141
Mdme0227 Oct 201427 Oct 20141
Mdme2818 Apr 201318 Apr 20131
Mdme2525 Apr 200625 Apr 20061
Mdme2025 Apr 200625 Apr 20061
Mdme1017 Jun 200224 Apr 20064
Mdme17.521 Aug 200121 Aug 20011

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

2001–2023

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 167 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
12.4 cm
Median
16.8 cm
Upper quarter
22.5 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 5 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
11.6 oz (0.33 kg)
Lower quarter
12.3 oz (0.35 kg)
Median
1 lb 0 oz (0.454 kg)
Upper quarter
1 lb 2.3 oz (0.52 kg)
Heaviest
1 lb 8.2 oz (0.687 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 Medlock

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

Stone loach Minnow 3-spined stickleback Chub Perch Roach

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 →