Grayling · Thymallus thymallus

Grayling in the River Petteril

Largest measured grayling: 9 cm

The largest grayling measured in Environment Agency surveys of the River Petteril was 9 cm, recorded at 1320.50 400 yrd DS footbridge, Melbourne Park on 4 July 2018.

Across 2 measured grayling, 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 River Petteril.

See grayling records across England →

Most recent observation4 July 20181318.00 Golden Fleece, River Petteril · 1 fish

Largest measured grayling: 9 cm
Median length: 8 cm
Fish measured: 2
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.

Length	Survey date	Survey location	Survey ID
9 cm	4 Jul 2018	1320.50 400 yrd DS footbridge, Melbourne Park	152841
7 cm	4 Jul 2018	1318.00 Golden Fleece, River Petteril	152842

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
1320.50 400 yrd DS footbridge, Melbourne Park	4 Jul 2018	4 Jul 2018	1
1318.00 Golden Fleece, River Petteril	4 Jul 2018	4 Jul 2018	1
1320.30 Melbourne Park DS fish pass	24 Apr 2008	24 Apr 2008	1

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

2008–2018

Survey records by year

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

108

009

010

011

012

013

014

015

016

017

218

Fish measured by surveyors

Measured length distribution

See how the 2 measured fish were spread across different length ranges.

Smallest: 7 cm
Lower quarter: 7.5 cm
Median: 8 cm
Upper quarter: 8.5 cm
Largest: 9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Petteril

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

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

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 →