Grayling · Thymallus thymallus

Grayling in the River Little Don

Largest measured grayling: 34.5 cm

The largest grayling measured in Environment Agency surveys of the River Little Don was 34.5 cm, recorded at Deepcar (formerly Stocksbridge STW US) on 16 August 2005.

Across 107 measured grayling, the median measured length was 19.3 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 Little Don.

See grayling records across England →

Most recent observation14 September 2023Deepcar (formerly Stocksbridge STW US) · 2 fish

Largest measured grayling: 34.5 cm
Median length: 19.3 cm
Fish measured: 107
Survey locations: 1

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
34.5 cm	16 Aug 2005	Deepcar (formerly Stocksbridge STW US)	87765
32.4 cm	8 Sept 2011	Deepcar (formerly Stocksbridge STW US)	128729
32 cm	3 Aug 2007	Deepcar (formerly Stocksbridge STW US)	110363
28.6 cm	16 Aug 2005	Deepcar (formerly Stocksbridge STW US)	87765
28.3 cm	16 Aug 2005	Deepcar (formerly Stocksbridge STW US)	87765
28.2 cm	19 Aug 2002	Deepcar (formerly Stocksbridge STW US)	109210
28.1 cm	16 Aug 2005	Deepcar (formerly Stocksbridge STW US)	87765
27.5 cm	28 Sept 2004	Deepcar (formerly Stocksbridge STW US)	84129
27.2 cm	28 Sept 2004	Deepcar (formerly Stocksbridge STW US)	84129
27 cm	19 Aug 2002	Deepcar (formerly Stocksbridge STW US)	109210

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
Deepcar (formerly Stocksbridge STW US)	26 Sept 2000	14 Sept 2023	10

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

2000–2023

Survey records by year

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

100

101

102

103

104

105

106

107

008

009

010

111

012

013

014

015

016

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 107 measured fish were spread across different length ranges.

Smallest: 7.3 cm
Lower quarter: 11.1 cm
Median: 19.3 cm
Upper quarter: 23.8 cm
Largest: 34.5 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 Little Don

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

Brown / sea trout 3-spined stickleback Bullhead Perch Roach Chub

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 →