Grayling · Thymallus thymallus

Grayling in the River Perry

Largest measured grayling: 39.9 cm

The largest grayling measured in Environment Agency surveys of the River Perry was 39.9 cm, recorded at Milford on 10 April 2003.

Across 178 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 Perry.

See grayling records across England →

Most recent observation18 August 2023Frankbrook (new) · 4 fish

Largest measured grayling: 39.9 cm
Median length: 19.6 cm
Fish measured: 178
Survey locations: 11

Individual EA measurements

Largest measured grayling

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

Length	Survey date	Survey location	Survey ID
39.9 cm	10 Apr 2003	Milford	75961
36.4 cm	14 Jun 2005	Milford	84785
34 cm	10 May 2010	Fitz	121549
33 cm	1 Jun 2016	Fitz	148133
32.7 cm	14 Jun 2005	Frank Brook	84786
32.7 cm	14 Jun 2005	Milford	84785
32.6 cm	14 Jun 2005	Frank Brook	84786
32.4 cm	12 May 2009	Frankbrook (new)	117217
32 cm	31 May 2016	Wykey	148135
32 cm	12 May 2009	Frankbrook (new)	117217

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 surveyed	First recorded	Last recorded	Visits finding grayling
Frankbrook (new)	12 May 2008	18 Aug 2023	8
Fitz 100m d/s road bridge	1 Aug 2019	4 Jul 2022	3
Milford	10 Apr 2003	1 Jun 2016	7
Fitz	14 Jun 2005	1 Jun 2016	6
Wykey	9 Jul 2014	31 May 2016	2
Sycamore Farm House	9 Jul 2014	31 May 2016	2
Downstream Rednal	31 May 2016	31 May 2016	1
Alder Lea	27 Apr 2016	27 Apr 2016	1
Frank Brook	14 Jun 2005	14 Jun 2005	1
Wyke	10 Apr 2003	10 Apr 2003	1
Mytton	9 Apr 2003	9 Apr 2003	1

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

2003–2023

Survey records by year

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

303

004

305

006

007

308

309

310

011

012

313

214

015

616

017

018

219

020

221

222

123

Fish measured by surveyors

Measured length distribution

See how the 178 measured fish were spread across different length ranges.

Smallest: 3.8 cm
Lower quarter: 17.1 cm
Median: 19.6 cm
Upper quarter: 23.9 cm
Largest: 39.9 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Perry

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

Brown / sea trout Bullhead Minnow Stone loach European eel 3-spined stickleback

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 →