RiverFish

Grayling · Thymallus thymallus

Grayling in the River Don

Largest measured grayling: 39.2 cm

The largest grayling measured in Environment Agency surveys of the River Don was 39.2 cm, recorded at Effingham Street, sheffield on 19 August 2013.

Across 2,089 measured grayling, the median measured length was 19.6 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 Don.

See grayling records across England →

Most recent observation12 August 2025Kilnhurst - Fry Survey · 7 fish
Largest measured grayling
39.2 cm
Median length
19.6 cm
Fish measured
2,089
Survey locations
25

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
39.2 cm19 Aug 2013Effingham Street, sheffield140073
38.1 cm10 Sept 2023Effingham Street, sheffield163219
33.5 cm5 Sept 2014Effingham Street, sheffield143066
33.3 cm10 Sept 2023Effingham Street, sheffield163219
33.3 cm5 Sept 2014Effingham Street, sheffield143066
32.9 cm3 Sept 2023Kelham Island Museum163171
32.9 cm21 Aug 2013Blonk Street, sheffield140079
32.8 cm19 Aug 2013Effingham Street, sheffield140073
32.7 cm2 Oct 2017Livesey Street - Owlerton, Sheffield152129
32.7 cm19 Aug 2013Effingham Street, sheffield140073

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
Kilnhurst - Fry Survey15 Aug 201612 Aug 20253
Blackburn Meadows d/s weir DON/CO/TEMP/00127 Jul 20015 Aug 202517
Kilnhurst Bridge1 Jul 201331 Jul 20254
Wortley13 Nov 199029 Sept 20235
Upstream Ewden Beck23 Aug 200525 Sept 20234
Beeley Wood, d/s weir16 Sept 201125 Sept 20233
Effingham Street, sheffield26 Jul 201110 Sept 20235
Kelham Island Museum26 Aug 20053 Sept 20237
Livesey Street - Owlerton, Sheffield22 Aug 20052 Oct 20173
Cheesebottom STW21 Sept 199328 Sept 20173
Thurlstone19 Oct 19934 Sept 20174
Bull House Bridge13 Nov 19974 Sept 20175
Oughtibridge11 Sept 201511 Sept 20151
Blonk Street, sheffield30 Jul 20112 Oct 20144
Firth Rixon8 Jul 20138 Jul 20131
Nursery Street, Sheffield30 Jul 20112 Aug 20122
Kelham Island (Channel 2)15 Jul 20112 Aug 20122
Oxspring Bridge (WR)29 Sept 20007 Sept 20119
Soughley Farm DON/BT/Q/0012 Oct 19976 Sept 20076
Dunford Bridge (upper site)4 Oct 200413 Sept 20052
Millstone Bridge19 Oct 199325 Aug 20052
Penistone Cricket Club21 Sept 199319 Aug 20053
Below Blackburn Meadows (new site)12 Jul 200212 Jul 20021
Stocksbridge STW (old site)23 Sept 199323 Sept 19931
Stocksbridge STW US7 Jan 19867 Jan 19861

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

1986–2025

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 2,089 measured fish were spread across different length ranges.

Smallest
4.7 cm
Lower quarter
11.1 cm
Median
19.6 cm
Upper quarter
22.9 cm
Largest
39.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Don

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

3-spined stickleback Brown / sea trout Gudgeon Roach Minnow Perch

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 →