RiverFish

Grayling · Thymallus thymallus

Grayling in the River Wear

Largest measured grayling: 31 cm

The largest grayling measured in Environment Agency surveys of the River Wear was 31 cm, recorded at River Browney at Bear Park- Eel site on 11 June 2025.

Across 28 measured grayling, the median measured length was 6.1 cm.

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

See grayling records across England →

Most recent observation11 June 2025River Browney at Bear Park- Eel site · 2 fish
Largest measured grayling
31 cm
Median length
6.1 cm
Fish measured
28
Survey locations
3

Individual EA measurements

Largest measured grayling

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
31 cm11 Jun 2025River Browney at Bear Park- Eel site176937
27.8 cm30 Sept 2009River Wear at Finchale Priory - Eel Site121093
26.2 cm30 Sept 2009River Wear at Finchale Priory - Eel Site121093
21.5 cm11 Jun 2025River Browney at Bear Park- Eel site176937
21.1 cm30 Sept 2009River Wear at Finchale Priory - Eel Site121093
6.6 cm29 Jun 2023River Browney at Malton Picnic Site - Eel Site163786
6.4 cm29 Jun 2023River Browney at Malton Picnic Site - Eel Site163786
6.4 cm29 Jun 2023River Browney at Malton Picnic Site - Eel Site163786
6.3 cm29 Jun 2023River Browney at Malton Picnic Site - Eel Site163786
6.2 cm29 Jun 2023River Browney at Malton Picnic Site - Eel Site163786

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where grayling were found

Each point marks a survey location with at least one grayling 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 grayling
River Browney at Malton Picnic Site - Eel Site29 Jun 202311 Jun 20252
River Browney at Bear Park- Eel site11 Jun 202511 Jun 20251
River Wear at Finchale Priory - Eel Site30 Sept 200930 Sept 20091

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

2009–2025

Survey records by year

Each bar shows how many survey visits recorded grayling that year.

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
4.6 cm
Median
6.1 cm
Upper quarter
6.4 cm
Largest
31 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wear

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

European eel Brown / sea trout Atlantic salmon Bullhead Minnow Stone loach

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 →