RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Ireshope Burn

Largest measured brown / sea trout: 20.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the Ireshope Burn was 20.7 cm, recorded at Ireshope Burn on 21 August 2006.

Across 501 measured brown / sea trout, the median measured length was 8 cm.

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

See brown / sea trout records across England →

Most recent observation21 July 2025Ireshope Burn · 117 fish
Largest measured brown / sea trout
20.7 cm
Median length
8 cm
Fish measured
501
Survey locations
5

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
20.7 cm21 Aug 2006Ireshope Burn103730
20.6 cm30 Aug 2007Ireshope Burn107592
19.1 cm21 Jul 2025Ireshope Burn177854
18.2 cm21 Aug 2006Ireshope Burn103730
17.6 cm21 Jul 2025Ireshope Burn177854
16.3 cm21 Jul 2025Ireshope Burn177854
16.2 cm30 Aug 2007Ireshope Burn107592
15.5 cm21 Jul 2025Ireshope Burn177854
15.5 cm21 Jul 2025Ireshope Burn177854
15.2 cm23 Aug 2013Ireshope Burn138117

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
Ireshope Burn21 Aug 199721 Jul 20256
Wham Pasture7 Jul 20167 Jul 20161
Shake hole4 Jul 20164 Jul 20161
Greenwell crags Upstream4 Jul 20164 Jul 20161
Greenwell crags Downstream4 Jul 20164 Jul 20161

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

1997–2025

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 501 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
5.9 cm
Median
8 cm
Upper quarter
11.1 cm
Largest
20.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

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 →